Finding the Third Proportional to 40,249,330 and 86,906,116

Step by Step Solution

1. Step 1: Write the proportion equation
   40,249,330 : 86,906,116 = 86,906,116 : x
2. Step 2: Convert to fraction form
   40,249,330/86,906,116 = 86,906,116/x
3. Step 3: Cross multiply
   40,249,330x = 86,906,116 × 86,906,116
4. Step 4: Simplify right side
   40,249,330x = 7,552,672,998,205,456
5. Step 5: Solve for x
   x = 7,552,672,998,205,456/40,249,330
6. Step 6: Final answer
   x = 187,647,173.21