We're dividing 1074593 by 858 
The aim is to understand the frequency of 858 in 1074593.

Let's proceed to step 1:
If we divide 1 by 858, we get 0 and a remainder of 1.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 1, we end up with 1.
Grab the next digit (0) from the dividend, add it to 1, then carry on: 10 / 858

Step 2:
If we divide 10 by 858, we get 0 and a remainder of 10.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 10 and we're left with 10.
Take the next digit (7) from the dividend and append it to 10, then repeat: 107 / 858

Moving on to step 3:
When dividing 107 by 858, we get 0 with a remainder of 107.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 107, we end up with 107.
Grab the next digit (4) from the dividend, add it to 107, then carry on: 1074 / 858

Step 4:
If we divide 1074 by 858, we get 1 and a remainder of 216.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Deduct 858 from 1074 and we're left with 216.
Append the next digit (5) from the dividend to 216 and continue with: 2165 / 858

Step 5:
858 goes into 2165 2 times with a remainder of 449.
Put 2 as the next digit of the answer. 
Result so far: 12.0
If we take 1716 away from 2165, we end up with 449.
Append the next digit (9) from the dividend to 449 and continue with: 4499 / 858

Step 6:
858 can be fit into 4499 5 times, resulting in a remainder of 209.
The next digit of our result is 5. 
Result so far: 125.0
Subtract 4290 from 4499 to get 209.
Take the next digit (3) from the dividend and append it to 209, then repeat: 2093 / 858

Moving on to step 7:
858 can be fit into 2093 2 times, resulting in a remainder of 377.
Use 2 as the next digit of our solution. 
Result so far: 1252.0
If we subtract 1716 from 2093, we get 377.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3770, and continue the process.

Moving on to step 8:
858 can be fit into 3770 4 times, resulting in a remainder of 338.
Put 4 as the next digit of the answer. 
Result so far: 1252.4
The remainder is 338 after subtracting 3432 from 3770.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3380, and continue the process.

Let's proceed to step 9:
The number 858 fits into 3380 3 times, leaving a remainder of 806.
The next digit of our result is 3. 
Result so far: 1252.43
If we subtract 2574 from 3380, we get 806.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8060, and continue the process.

Step 10:
When dividing 8060 by 858, we get 9 with a remainder of 338.
Write down 9 as next digit of the result. 
Result so far: 1252.439
Deduct 7722 from 8060 and we're left with 338.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3380, and continue the process.

Going ahead to step 11:
The number 858 fits into 3380 3 times, leaving a remainder of 806.
The number 3 becomes the next digit in our result. 
Result so far: 1252.4393
Subtract 2574 from 3380 to get 806.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8060, and continue the process.

Going ahead to step 12:
858 can be fit into 8060 9 times, resulting in a remainder of 338.
Put 9 as the next digit of the answer. 
Result so far: 1252.43939
If we subtract 7722 from 8060, we get 338.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3380, and continue the process.

Advancing to step 13:
858 can be fit into 3380 3 times, resulting in a remainder of 806.
Put 3 as the next digit of the answer. 
Result so far: 1252.439393
The remainder is 806 after subtracting 2574 from 3380.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8060, and continue the process.

Let's proceed to step 14:
858 can be fit into 8060 9 times, resulting in a remainder of 338.
Use 9 as the next digit of our solution. 
Result so far: 1252.4393939
The remainder is 338 after subtracting 7722 from 8060.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3380, and continue the process.

Step 15:
The number 858 fits into 3380 3 times, leaving a remainder of 806.
Use 3 as the next digit of our solution. 
Result so far: 1252.43939393
Subtracting 2574 from 3380 leaves us with 806.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8060, and continue the process.

The final result is 1252.43939393 with a remainder of 8.06e-07.