Finding the Third Proportional to 63,454.50 and 137,520

Step by Step Solution

1. Step 1: Write the proportion equation
   63,454.50 : 137,520 = 137,520 : x
2. Step 2: Convert to fraction form
   63,454.50/137,520 = 137,520/x
3. Step 3: Cross multiply
   63,454.50x = 137,520 × 137,520
4. Step 4: Simplify right side
   63,454.50x = 18,911,750,400
5. Step 5: Solve for x
   x = 18,911,750,400/63,454.50
6. Step 6: Final answer
   x = 298,036.39