Finding the Third Proportional to 63,688.50 and 137,754

Step by Step Solution

1. Step 1: Write the proportion equation
   63,688.50 : 137,754 = 137,754 : x
2. Step 2: Convert to fraction form
   63,688.50/137,754 = 137,754/x
3. Step 3: Cross multiply
   63,688.50x = 137,754 × 137,754
4. Step 4: Simplify right side
   63,688.50x = 18,976,164,516
5. Step 5: Solve for x
   x = 18,976,164,516/63,688.50
6. Step 6: Final answer
   x = 297,952.76