Finding the Third Proportional to 57,915 and 126,901.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,915 : 126,901.50 = 126,901.50 : x
2. Step 2: Convert to fraction form
   57,915/126,901.50 = 126,901.50/x
3. Step 3: Cross multiply
   57,915x = 126,901.50 × 126,901.50
4. Step 4: Simplify right side
   57,915x = 16,103,990,702.25
5. Step 5: Solve for x
   x = 16,103,990,702.25/57,915
6. Step 6: Final answer
   x = 278,062.52