Finding the Third Proportional to 137,067.50 and 215,067

Step by Step Solution

1. Step 1: Write the proportion equation
   137,067.50 : 215,067 = 215,067 : x
2. Step 2: Convert to fraction form
   137,067.50/215,067 = 215,067/x
3. Step 3: Cross multiply
   137,067.50x = 215,067 × 215,067
4. Step 4: Simplify right side
   137,067.50x = 46,253,814,489
5. Step 5: Solve for x
   x = 46,253,814,489/137,067.50
6. Step 6: Final answer
   x = 337,452.82