Finding the Third Proportional to 87,787.50 and 207,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,787.50 : 207,103.50 = 207,103.50 : x
2. Step 2: Convert to fraction form
   87,787.50/207,103.50 = 207,103.50/x
3. Step 3: Cross multiply
   87,787.50x = 207,103.50 × 207,103.50
4. Step 4: Simplify right side
   87,787.50x = 42,891,859,712.25
5. Step 5: Solve for x
   x = 42,891,859,712.25/87,787.50
6. Step 6: Final answer
   x = 488,587.32