Finding the Third Proportional to 57,928.50 and 126,928.69

Step by Step Solution

1. Step 1: Write the proportion equation
   57,928.50 : 126,928.69 = 126,928.69 : x
2. Step 2: Convert to fraction form
   57,928.50/126,928.69 = 126,928.69/x
3. Step 3: Cross multiply
   57,928.50x = 126,928.69 × 126,928.69
4. Step 4: Simplify right side
   57,928.50x = 16,110,891,710.47
5. Step 5: Solve for x
   x = 16,110,891,710.47/57,928.50
6. Step 6: Final answer
   x = 278,116.85