Finding the Third Proportional to 62,605,143 and 86,508,445.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,605,143 : 86,508,445.50 = 86,508,445.50 : x
2. Step 2: Convert to fraction form
   62,605,143/86,508,445.50 = 86,508,445.50/x
3. Step 3: Cross multiply
   62,605,143x = 86,508,445.50 × 86,508,445.50
4. Step 4: Simplify right side
   62,605,143x = 7,483,711,142,826,470
5. Step 5: Solve for x
   x = 7,483,711,142,826,470/62,605,143
6. Step 6: Final answer
   x = 119,538,280.47