Finding the Third Proportional to 45,917,722.50 and 99,906,445.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,917,722.50 : 99,906,445.50 = 99,906,445.50 : x
2. Step 2: Convert to fraction form
   45,917,722.50/99,906,445.50 = 99,906,445.50/x
3. Step 3: Cross multiply
   45,917,722.50x = 99,906,445.50 × 99,906,445.50
4. Step 4: Simplify right side
   45,917,722.50x = 9,981,297,852,444,470
5. Step 5: Solve for x
   x = 9,981,297,852,444,470/45,917,722.50
6. Step 6: Final answer
   x = 217,373,539.21