We divide 863819 by 75
We're looking to find how many times 75 goes into 863819.

Advancing to step 1:
When dividing 8 by 75, we get 0 with a remainder of 8.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Take the next digit (6) from the dividend and append it to 8, then repeat: 86 / 75

Let's proceed to step 2:
75 can be fit into 86 1 times, resulting in a remainder of 11.
Use 1 as the next digit of our solution. 
Result so far: 1.0
Subtract 75 from 86 to get 11.
Take the next digit (3) from the dividend and append it to 11, then repeat: 113 / 75

Going ahead to step 3:
If we divide 113 by 75, we get 1 and a remainder of 38.
Record the quotient 1 as the next digit in the result. 
Result so far: 11.0
Subtract 75 from 113 to get 38.
Bring next digit (8) of the dividend behind the 38 and repeat the process: 388 / 75

Going ahead to step 4:
When dividing 388 by 75, we get 5 with a remainder of 13.
Put 5 as the next digit of the answer. 
Result so far: 115.0
Subtracting 375 from 388 leaves us with 13.
Include the next digit (1) from the dividend after 13, then repeat: 131 / 75

Step 5:
75 goes into 131 1 times with a remainder of 56.
Record the quotient 1 as the next digit in the result. 
Result so far: 1151.0
The remainder is 56 after subtracting 75 from 131.
Fetch the next digit (9) from the dividend, attach it to 56 and continue: 569 / 75

Step 6:
If we divide 569 by 75, we get 7 and a remainder of 44.
Put 7 as the next digit of the answer. 
Result so far: 11517.0
The remainder is 44 after subtracting 525 from 569.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Advancing to step 7:
When dividing 440 by 75, we get 5 with a remainder of 65.
Record the quotient 5 as the next digit in the result. 
Result so far: 11517.5
The remainder is 65 after subtracting 375 from 440.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

Let's proceed to step 8:
The number 75 fits into 650 8 times, leaving a remainder of 50.
Record the quotient 8 as the next digit in the result. 
Result so far: 11517.58
If we take 600 away from 650, we end up with 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

On to step 9:
75 goes into 500 6 times with a remainder of 50.
Write down 6 as next digit of the result. 
Result so far: 11517.586
If we subtract 450 from 500, we get 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

Going ahead to step 10:
If we divide 500 by 75, we get 6 and a remainder of 50.
Put 6 as the next digit of the answer. 
Result so far: 11517.5866
The remainder is 50 after subtracting 450 from 500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 500, and continue the process.

The final outcome is 11517.5866, with a leftover of 0.0005.