Finding the Third Proportional to 72,722,227 and 156,981,972

Step by Step Solution

1. Step 1: Write the proportion equation
   72,722,227 : 156,981,972 = 156,981,972 : x
2. Step 2: Convert to fraction form
   72,722,227/156,981,972 = 156,981,972/x
3. Step 3: Cross multiply
   72,722,227x = 156,981,972 × 156,981,972
4. Step 4: Simplify right side
   72,722,227x = 24,643,339,533,008,784
5. Step 5: Solve for x
   x = 24,643,339,533,008,784/72,722,227
6. Step 6: Final answer
   x = 338,869,428.92