Finding the Third Proportional to 57,909.94 and 126,891.56

Step by Step Solution

1. Step 1: Write the proportion equation
   57,909.94 : 126,891.56 = 126,891.56 : x
2. Step 2: Convert to fraction form
   57,909.94/126,891.56 = 126,891.56/x
3. Step 3: Cross multiply
   57,909.94x = 126,891.56 × 126,891.56
4. Step 4: Simplify right side
   57,909.94x = 16,101,468,633.69
5. Step 5: Solve for x
   x = 16,101,468,633.69/57,909.94
6. Step 6: Final answer
   x = 278,043.27