Alright, let's work through 9139341 times 74926624 step by step
9139341 × 74926624 = 74926624 × (9139341)
+ 74926624 × 1 that results in 74926624
+ 74926624 × 40 what gives us 2997064960
+ 74926624 × 300 that equals 22477987200
+ 74926624 × 9000 what gives us 674339616000
+ 74926624 × 30000 what gives us 2247798720000
+ 74926624 × 100000 that is equal 7492662400000
+ 74926624 × 9000000 yielding 674339616000000

= 684779966714784
