Alright, let's work through 99945996 times 8730391 step by step
99945996 × 8730391 = 8730391 × (99945996)
+ 8730391 × 6 which equals 52382346
+ 8730391 × 90 resulting in 785735190
+ 8730391 × 900 that is equal 7857351900
+ 8730391 × 5000 resulting in 43651955000
+ 8730391 × 40000 producing 349215640000
+ 8730391 × 900000 that equals 7857351900000
+ 8730391 × 9000000 producing 78573519000000
+ 8730391 × 90000000 that equals 785735190000000

= 872567623964436
