87240 ÷ 9 = 9693 R3
Alright, let's work through the division of 87240 by 9 step by step.

Step 1:
9 goes into 8 0 times with a remainder of 8.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 8 to get 8.
Bring next digit (7) of the dividend behind the 8 and repeat the process: 87 / 9

Step 2:
9 goes into 87 9 times with a remainder of 6.
Write down 9 as next digit of of the result. 
Result so far: 9
Subtract 81 from 87 to get 6.
Bring next digit (2) of the dividend behind the 6 and repeat the process: 62 / 9

Step 3:
9 goes into 62 6 times with a remainder of 8.
Write down 6 as next digit of of the result. 
Result so far: 96
Subtract 54 from 62 to get 8.
Bring next digit (4) of the dividend behind the 8 and repeat the process: 84 / 9

Step 4:
9 goes into 84 9 times with a remainder of 3.
Write down 9 as next digit of of the result. 
Result so far: 969
Subtract 81 from 84 to get 3.
Bring next digit (0) of the dividend behind the 3 and repeat the process: 30 / 9

Step 5:
9 goes into 30 3 times with a remainder of 3.
Write down 3 as next digit of of the result. 
Result so far: 9693
Subtract 27 from 30 to get 3.

The final result is 9693 with a remainder of 3.