Alright, let's work through 90219996 times 5524937 step by step
90219996 × 5524937 = 5524937 × (90219996)
+ 5524937 × 6 resulting in 33149622
+ 5524937 × 90 which equals 497244330
+ 5524937 × 900 that is equal 4972443300
+ 5524937 × 9000 that is equal 49724433000
+ 5524937 × 10000 that equals 55249370000
+ 5524937 × 200000 yielding 1104987400000
+ 5524937 × 0000000 that results in 0
+ 5524937 × 90000000 which equals 497244330000000

= 498459794040252
