Alright, let's work through 99442535 times 48643261 step by step
99442535 × 48643261 = 48643261 × (99442535)
+ 48643261 × 5 resulting in 243216305
+ 48643261 × 30 which equals 1459297830
+ 48643261 × 500 that is equal 24321630500
+ 48643261 × 2000 which equals 97286522000
+ 48643261 × 40000 that results in 1945730440000
+ 48643261 × 400000 yielding 19457304400000
+ 48643261 × 9000000 giving us 437789349000000
+ 48643261 × 90000000 giving us 4377893490000000

= 4837209184506635
