Finding the Third Proportional to 4,561,394 and 9,796,660

Step by Step Solution

1. Step 1: Write the proportion equation
   4,561,394 : 9,796,660 = 9,796,660 : x
2. Step 2: Convert to fraction form
   4,561,394/9,796,660 = 9,796,660/x
3. Step 3: Cross multiply
   4,561,394x = 9,796,660 × 9,796,660
4. Step 4: Simplify right side
   4,561,394x = 95,974,547,155,600
5. Step 5: Solve for x
   x = 95,974,547,155,600/4,561,394
6. Step 6: Final answer
   x = 21,040,617.66