We're dividing 66826878 by 531 
Let's see how many times 531 fits into 66826878.

Step 1:
531 goes into 6 0 times with a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 6 after subtracting 0 from 6.
Bring next digit (6) of the dividend behind the 6 and repeat the process: 66 / 531

Let's proceed to step 2:
531 can be fit into 66 0 times, resulting in a remainder of 66.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 66 to get 66.
Fetch the next digit (8) from the dividend, attach it to 66 and continue: 668 / 531

Advancing to step 3:
668 divided by 531 is 1 with a remainder of 137.
Use 1 as the next digit of our solution. 
Result so far: 1.0
If we take 531 away from 668, we end up with 137.
Bring next digit (2) of the dividend behind the 137 and repeat the process: 1372 / 531

Advancing to step 4:
531 can be fit into 1372 2 times, resulting in a remainder of 310.
The next digit of our result is 2. 
Result so far: 12.0
If we take 1062 away from 1372, we end up with 310.
Take the next digit (6) from the dividend and append it to 310, then repeat: 3106 / 531

Step 5:
The number 531 fits into 3106 5 times, leaving a remainder of 451.
The next digit of our result is 5. 
Result so far: 125.0
Subtract 2655 from 3106 to get 451.
Take the next digit (8) from the dividend and append it to 451, then repeat: 4518 / 531

Moving on to step 6:
If we divide 4518 by 531, we get 8 and a remainder of 270.
The next digit of our result is 8. 
Result so far: 1258.0
Subtract 4248 from 4518 to get 270.
Fetch the next digit (7) from the dividend, attach it to 270 and continue: 2707 / 531

Advancing to step 7:
531 goes into 2707 5 times with a remainder of 52.
The next digit of our result is 5. 
Result so far: 12585.0
Subtracting 2655 from 2707 leaves us with 52.
Append the next digit (8) from the dividend to 52 and continue with: 528 / 531

Going ahead to step 8:
531 can be fit into 528 0 times, resulting in a remainder of 528.
Use 0 as the next digit of our solution. 
Result so far: 125850.0
The remainder is 528 after subtracting 0 from 528.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5280, and continue the process.

Going ahead to step 9:
If we divide 5280 by 531, we get 9 and a remainder of 501.
Write down 9 as next digit of the result. 
Result so far: 125850.9
The remainder is 501 after subtracting 4779 from 5280.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5010, and continue the process.

Going ahead to step 10:
5010 divided by 531 is 9 with a remainder of 231.
Use 9 as the next digit of our solution. 
Result so far: 125850.99
Deduct 4779 from 5010 and we're left with 231.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2310, and continue the process.

The final result is 125850.99 with a remainder of 0.231.