Finding the Third Proportional to 63,040.50 and 137,259

Step by Step Solution

1. Step 1: Write the proportion equation
   63,040.50 : 137,259 = 137,259 : x
2. Step 2: Convert to fraction form
   63,040.50/137,259 = 137,259/x
3. Step 3: Cross multiply
   63,040.50x = 137,259 × 137,259
4. Step 4: Simplify right side
   63,040.50x = 18,840,033,081
5. Step 5: Solve for x
   x = 18,840,033,081/63,040.50
6. Step 6: Final answer
   x = 298,856.02