Finding the Third Proportional to 12,934,404 and 20,290,231.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,934,404 : 20,290,231.50 = 20,290,231.50 : x
2. Step 2: Convert to fraction form
   12,934,404/20,290,231.50 = 20,290,231.50/x
3. Step 3: Cross multiply
   12,934,404x = 20,290,231.50 × 20,290,231.50
4. Step 4: Simplify right side
   12,934,404x = 411,693,494,323,592.25
5. Step 5: Solve for x
   x = 411,693,494,323,592.25/12,934,404
6. Step 6: Final answer
   x = 31,829,336.27