Finding the Third Proportional to 87,988.50 and 207,504

Step by Step Solution

1. Step 1: Write the proportion equation
   87,988.50 : 207,504 = 207,504 : x
2. Step 2: Convert to fraction form
   87,988.50/207,504 = 207,504/x
3. Step 3: Cross multiply
   87,988.50x = 207,504 × 207,504
4. Step 4: Simplify right side
   87,988.50x = 43,057,910,016
5. Step 5: Solve for x
   x = 43,057,910,016/87,988.50
6. Step 6: Final answer
   x = 489,358.38