Finding the Third Proportional to 67,079.25 and 142,152.75

Step by Step Solution

1. Step 1: Write the proportion equation
   67,079.25 : 142,152.75 = 142,152.75 : x
2. Step 2: Convert to fraction form
   67,079.25/142,152.75 = 142,152.75/x
3. Step 3: Cross multiply
   67,079.25x = 142,152.75 × 142,152.75
4. Step 4: Simplify right side
   67,079.25x = 20,207,404,332.56
5. Step 5: Solve for x
   x = 20,207,404,332.56/67,079.25
6. Step 6: Final answer
   x = 301,246.72