Finding the Third Proportional to 55,209,147 and 116,129,617.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,209,147 : 116,129,617.50 = 116,129,617.50 : x
2. Step 2: Convert to fraction form
   55,209,147/116,129,617.50 = 116,129,617.50/x
3. Step 3: Cross multiply
   55,209,147x = 116,129,617.50 × 116,129,617.50
4. Step 4: Simplify right side
   55,209,147x = 13,486,088,060,696,306
5. Step 5: Solve for x
   x = 13,486,088,060,696,306/55,209,147
6. Step 6: Final answer
   x = 244,272,711.92