Finding the Third Proportional to 10,498,668 and 21,835,398

Step by Step Solution

1. Step 1: Write the proportion equation
   10,498,668 : 21,835,398 = 21,835,398 : x
2. Step 2: Convert to fraction form
   10,498,668/21,835,398 = 21,835,398/x
3. Step 3: Cross multiply
   10,498,668x = 21,835,398 × 21,835,398
4. Step 4: Simplify right side
   10,498,668x = 476,784,605,818,404
5. Step 5: Solve for x
   x = 476,784,605,818,404/10,498,668
6. Step 6: Final answer
   x = 45,413,818.76