We're dividing 90421168 by 586 
Let's see how many times 586 fits into 90421168.

Going ahead to step 1:
If we divide 9 by 586, we get 0 and a remainder of 9.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 9 and we're left with 9.
Grab the next digit (0) from the dividend, add it to 9, then carry on: 90 / 586

Advancing to step 2:
90 divided by 586 is 0 with a remainder of 90.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtract 0 from 90 to get 90.
Append the next digit (4) from the dividend to 90 and continue with: 904 / 586

Let's proceed to step 3:
If we divide 904 by 586, we get 1 and a remainder of 318.
Record the quotient 1 as the next digit in the result. 
Result so far: 1.0
The remainder is 318 after subtracting 586 from 904.
Take the next digit (2) from the dividend and append it to 318, then repeat: 3182 / 586

Advancing to step 4:
If we divide 3182 by 586, we get 5 and a remainder of 252.
Record the quotient 5 as the next digit in the result. 
Result so far: 15.0
The remainder is 252 after subtracting 2930 from 3182.
Append the next digit (1) from the dividend to 252 and continue with: 2521 / 586

Moving on to step 5:
When dividing 2521 by 586, we get 4 with a remainder of 177.
Record the quotient 4 as the next digit in the result. 
Result so far: 154.0
The remainder is 177 after subtracting 2344 from 2521.
Grab the next digit (1) from the dividend, add it to 177, then carry on: 1771 / 586

Moving on to step 6:
586 can be fit into 1771 3 times, resulting in a remainder of 13.
Put 3 as the next digit of the answer. 
Result so far: 1543.0
Deduct 1758 from 1771 and we're left with 13.
Include the next digit (6) from the dividend after 13, then repeat: 136 / 586

Moving on to step 7:
If we divide 136 by 586, we get 0 and a remainder of 136.
The next digit of our result is 0. 
Result so far: 15430.0
Subtracting 0 from 136 leaves us with 136.
Append the next digit (8) from the dividend to 136 and continue with: 1368 / 586

Let's proceed to step 8:
1368 divided by 586 is 2 with a remainder of 196.
Use 2 as the next digit of our solution. 
Result so far: 154302.0
The remainder is 196 after subtracting 1172 from 1368.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1960, and continue the process.

Going ahead to step 9:
586 can be fit into 1960 3 times, resulting in a remainder of 202.
Put 3 as the next digit of the answer. 
Result so far: 154302.3
Deduct 1758 from 1960 and we're left with 202.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2020, and continue the process.

Step 10:
If we divide 2020 by 586, we get 3 and a remainder of 262.
Use 3 as the next digit of our solution. 
Result so far: 154302.33
Deduct 1758 from 2020 and we're left with 262.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2620, and continue the process.

Our division results in 154302.33 with a remaining 0.262.