We look at the division of 897949 by 3 
The aim is to understand the frequency of 3 in 897949.

Moving on to step 1:
8 divided by 3 is 2 with a remainder of 2.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
Subtracting 6 from 8 leaves us with 2.
Bring next digit (9) of the dividend behind the 2 and repeat the process: 29 / 3

On to step 2:
The number 3 fits into 29 9 times, leaving a remainder of 2.
The next digit of our result is 9. 
Result so far: 29.0
Subtracting 27 from 29 leaves us with 2.
Take the next digit (7) from the dividend and append it to 2, then repeat: 27 / 3

Moving on to step 3:
When dividing 27 by 3, we get 9 with a remainder of 0.
Record the quotient 9 as the next digit in the result. 
Result so far: 299.0
Deduct 27 from 27 and we're left with 0.
Fetch the next digit (9) from the dividend, attach it to 0 and continue: 9 / 3

Going ahead to step 4:
9 divided by 3 is 3 with a remainder of 0.
Use 3 as the next digit of our solution. 
Result so far: 2993.0
Subtract 9 from 9 to get 0.
Append the next digit (4) from the dividend to 0 and continue with: 4 / 3

Let's proceed to step 5:
If we divide 4 by 3, we get 1 and a remainder of 1.
The next digit of our result is 1. 
Result so far: 29931.0
Subtracting 3 from 4 leaves us with 1.
Take the next digit (9) from the dividend and append it to 1, then repeat: 19 / 3

Moving on to step 6:
The number 3 fits into 19 6 times, leaving a remainder of 1.
Use 6 as the next digit of our solution. 
Result so far: 299316.0
Deduct 18 from 19 and we're left with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Step 7:
When dividing 10 by 3, we get 3 with a remainder of 1.
The number 3 becomes the next digit in our result. 
Result so far: 299316.3
Subtracting 9 from 10 leaves us with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Advancing to step 8:
The number 3 fits into 10 3 times, leaving a remainder of 1.
The next digit of our result is 3. 
Result so far: 299316.33
Subtracting 9 from 10 leaves us with 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

The final outcome is 299316.33, with a leftover of 0.001.