Finding the Third Proportional to 13,189,856 and 28,635,694

Step by Step Solution

1. Step 1: Write the proportion equation
   13,189,856 : 28,635,694 = 28,635,694 : x
2. Step 2: Convert to fraction form
   13,189,856/28,635,694 = 28,635,694/x
3. Step 3: Cross multiply
   13,189,856x = 28,635,694 × 28,635,694
4. Step 4: Simplify right side
   13,189,856x = 820,002,970,861,636
5. Step 5: Solve for x
   x = 820,002,970,861,636/13,189,856
6. Step 6: Final answer
   x = 62,169,213.28