Finding the Third Proportional to 57,067 and 137,479.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,067 : 137,479.50 = 137,479.50 : x
2. Step 2: Convert to fraction form
   57,067/137,479.50 = 137,479.50/x
3. Step 3: Cross multiply
   57,067x = 137,479.50 × 137,479.50
4. Step 4: Simplify right side
   57,067x = 18,900,612,920.25
5. Step 5: Solve for x
   x = 18,900,612,920.25/57,067
6. Step 6: Final answer
   x = 331,200.39