Finding the Third Proportional to 90,959,072 and 139,951,776

Step by Step Solution

1. Step 1: Write the proportion equation
   90,959,072 : 139,951,776 = 139,951,776 : x
2. Step 2: Convert to fraction form
   90,959,072/139,951,776 = 139,951,776/x
3. Step 3: Cross multiply
   90,959,072x = 139,951,776 × 139,951,776
4. Step 4: Simplify right side
   90,959,072x = 19,586,499,605,554,176
5. Step 5: Solve for x
   x = 19,586,499,605,554,176/90,959,072
6. Step 6: Final answer
   x = 215,333,107.24