Finding the Third Proportional to 90,959,068 and 139,951,770

Step by Step Solution

1. Step 1: Write the proportion equation
   90,959,068 : 139,951,770 = 139,951,770 : x
2. Step 2: Convert to fraction form
   90,959,068/139,951,770 = 139,951,770/x
3. Step 3: Cross multiply
   90,959,068x = 139,951,770 × 139,951,770
4. Step 4: Simplify right side
   90,959,068x = 19,586,497,926,132,900
5. Step 5: Solve for x
   x = 19,586,497,926,132,900/90,959,068
6. Step 6: Final answer
   x = 215,333,098.25