Finding the Third Proportional to 45,917,728 and 99,906,456

Step by Step Solution

1. Step 1: Write the proportion equation
   45,917,728 : 99,906,456 = 99,906,456 : x
2. Step 2: Convert to fraction form
   45,917,728/99,906,456 = 99,906,456/x
3. Step 3: Cross multiply
   45,917,728x = 99,906,456 × 99,906,456
4. Step 4: Simplify right side
   45,917,728x = 9,981,299,950,479,936
5. Step 5: Solve for x
   x = 9,981,299,950,479,936/45,917,728
6. Step 6: Final answer
   x = 217,373,558.87