Finding the Third Proportional to 100,698,870 and 155,496,665.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,698,870 : 155,496,665.50 = 155,496,665.50 : x
2. Step 2: Convert to fraction form
   100,698,870/155,496,665.50 = 155,496,665.50/x
3. Step 3: Cross multiply
   100,698,870x = 155,496,665.50 × 155,496,665.50
4. Step 4: Simplify right side
   100,698,870x = 24,179,212,981,618,892
5. Step 5: Solve for x
   x = 24,179,212,981,618,892/100,698,870
6. Step 6: Final answer
   x = 240,114,044.79