Finding the Third Proportional to 12,861,663 and 28,314,105

Step by Step Solution

1. Step 1: Write the proportion equation
   12,861,663 : 28,314,105 = 28,314,105 : x
2. Step 2: Convert to fraction form
   12,861,663/28,314,105 = 28,314,105/x
3. Step 3: Cross multiply
   12,861,663x = 28,314,105 × 28,314,105
4. Step 4: Simplify right side
   12,861,663x = 801,688,541,951,025
5. Step 5: Solve for x
   x = 801,688,541,951,025/12,861,663
6. Step 6: Final answer
   x = 62,331,639.54