Finding the Third Proportional to 13,189,874 and 28,635,730

Step by Step Solution

1. Step 1: Write the proportion equation
   13,189,874 : 28,635,730 = 28,635,730 : x
2. Step 2: Convert to fraction form
   13,189,874/28,635,730 = 28,635,730/x
3. Step 3: Cross multiply
   13,189,874x = 28,635,730 × 28,635,730
4. Step 4: Simplify right side
   13,189,874x = 820,005,032,632,900
5. Step 5: Solve for x
   x = 820,005,032,632,900/13,189,874
6. Step 6: Final answer
   x = 62,169,284.76