Finding the Third Proportional to 57,908.50 and 125,780

Step by Step Solution

1. Step 1: Write the proportion equation
   57,908.50 : 125,780 = 125,780 : x
2. Step 2: Convert to fraction form
   57,908.50/125,780 = 125,780/x
3. Step 3: Cross multiply
   57,908.50x = 125,780 × 125,780
4. Step 4: Simplify right side
   57,908.50x = 15,820,608,400
5. Step 5: Solve for x
   x = 15,820,608,400/57,908.50
6. Step 6: Final answer
   x = 273,200.11