Alright, let's work through 93431457 times 45428515 step by step
93431457 × 45428515 = 45428515 × (93431457)
+ 45428515 × 7 yielding 317999605
+ 45428515 × 50 that equals 2271425750
+ 45428515 × 400 that equals 18171406000
+ 45428515 × 1000 giving us 45428515000
+ 45428515 × 30000 that is equal 1362855450000
+ 45428515 × 400000 what gives us 18171406000000
+ 45428515 × 3000000 which equals 136285545000000
+ 45428515 × 90000000 resulting in 4088566350000000

= 4244452345796355
