Finding the Third Proportional to 60,412.50 and 142,139.25

Step by Step Solution

1. Step 1: Write the proportion equation
   60,412.50 : 142,139.25 = 142,139.25 : x
2. Step 2: Convert to fraction form
   60,412.50/142,139.25 = 142,139.25/x
3. Step 3: Cross multiply
   60,412.50x = 142,139.25 × 142,139.25
4. Step 4: Simplify right side
   60,412.50x = 20,203,566,390.56
5. Step 5: Solve for x
   x = 20,203,566,390.56/60,412.50
6. Step 6: Final answer
   x = 334,426.92