Finding the Third Proportional to 62,719.50 and 134,024.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,719.50 : 134,024.50 = 134,024.50 : x
2. Step 2: Convert to fraction form
   62,719.50/134,024.50 = 134,024.50/x
3. Step 3: Cross multiply
   62,719.50x = 134,024.50 × 134,024.50
4. Step 4: Simplify right side
   62,719.50x = 17,962,566,600.25
5. Step 5: Solve for x
   x = 17,962,566,600.25/62,719.50
6. Step 6: Final answer
   x = 286,395.25