Alright, let's work through 99435339 times 8528438 step by step
99435339 × 8528438 = 8528438 × (99435339)
+ 8528438 × 9 that equals 76755942
+ 8528438 × 30 that is equal 255853140
+ 8528438 × 300 resulting in 2558531400
+ 8528438 × 5000 that equals 42642190000
+ 8528438 × 30000 resulting in 255853140000
+ 8528438 × 400000 that equals 3411375200000
+ 8528438 × 9000000 yielding 76755942000000
+ 8528438 × 90000000 that equals 767559420000000

= 848028123670482
