Finding the Third Proportional to 99,349,724,354.50 and 216,680,703,003

Step by Step Solution

1. Step 1: Write the proportion equation
   99,349,724,354.50 : 216,680,703,003 = 216,680,703,003 : x
2. Step 2: Convert to fraction form
   99,349,724,354.50/216,680,703,003 = 216,680,703,003/x
3. Step 3: Cross multiply
   99,349,724,354.50x = 216,680,703,003 × 216,680,703,003
4. Step 4: Simplify right side
   99,349,724,354.50x = 46,950,527,053,874,291,802,112
5. Step 5: Solve for x
   x = 46,950,527,053,874,291,802,112/99,349,724,354.50
6. Step 6: Final answer
   x = 472,578,332,339.86