Finding the Third Proportional to 90,959,080 and 139,951,788

Step by Step Solution

1. Step 1: Write the proportion equation
   90,959,080 : 139,951,788 = 139,951,788 : x
2. Step 2: Convert to fraction form
   90,959,080/139,951,788 = 139,951,788/x
3. Step 3: Cross multiply
   90,959,080x = 139,951,788 × 139,951,788
4. Step 4: Simplify right side
   90,959,080x = 19,586,502,964,396,944
5. Step 5: Solve for x
   x = 19,586,502,964,396,944/90,959,080
6. Step 6: Final answer
   x = 215,333,125.23