Final answer:
The person next in line after the Vice President in the Presidential line of succession is the Speaker of the House of Representatives, as outlined in the Presidential Succession Act of 1947 and reaffirmed by the 25th Amendment in 1967.
Step-by-step explanation:
The person next in line after the Vice President in the presidential succession is the speaker of the House of Representatives. According to the Presidential Succession Act of 1947 and the 25th Amendment, if both the President and Vice President are unable to fulfill their roles, the speaker of the House becomes the next in line to assume the presidency. This hierarchy was established to ensure a smooth transition of power in case of a vacancy in the presidency.
Under the Presidential Succession Act of 1947, which is the correct timeframe for the establishment of the current line of succession, the person next in line after the Vice President is the Speaker of the House of Representatives. When the Vice President assumes the presidency, they must select a new Vice President who is confirmed by both houses of Congress. If both the President and Vice President are unable to serve, the Speaker of the House would take over as President. This succession plan was reaffirmed by the 25th Amendment in 1967, which also addresses presidential disability and the process for filling the Vice Presidency.