Answer:
They are televising his interview throughout the world.
Step-by-step explanation:
The subject here is televised,
The receiver of the action, that is ; what was televised (his interview) is the subject in this sentence. This makes it a passive voice.
To change to active, the subject, the receiver of the action (interview) acts on the verb (televised);
Hence, it could be expressed as :
They are televising his interview throughout the world.
This way the doer of the action = they (which could be the TV station)
The subject, 'his' acts on the verb televised.