Finding the Third Proportional to 62,498.25 and 136,867.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,498.25 : 136,867.50 = 136,867.50 : x
2. Step 2: Convert to fraction form
   62,498.25/136,867.50 = 136,867.50/x
3. Step 3: Cross multiply
   62,498.25x = 136,867.50 × 136,867.50
4. Step 4: Simplify right side
   62,498.25x = 18,732,712,556.25
5. Step 5: Solve for x
   x = 18,732,712,556.25/62,498.25
6. Step 6: Final answer
   x = 299,731.79