Other contributors have said "How do you pronounce pronounce?" is the same question as "How do you pronounce the word pronounce?" If you believe that these are not asking the same thing and should be answered differently, click here
The word 'the' can be pronounced either as 'thuh' (with basically a short 'u' sound) or as 'thee' (with a long 'e' sound). Either way is correct. -- actually the pronunciation depends on the word...