Finding the Third Proportional to 67,067.50 and 142,130

Step by Step Solution

1. Step 1: Write the proportion equation
   67,067.50 : 142,130 = 142,130 : x
2. Step 2: Convert to fraction form
   67,067.50/142,130 = 142,130/x
3. Step 3: Cross multiply
   67,067.50x = 142,130 × 142,130
4. Step 4: Simplify right side
   67,067.50x = 20,200,936,900
5. Step 5: Solve for x
   x = 20,200,936,900/67,067.50
6. Step 6: Final answer
   x = 301,203.07