Finding the Third Proportional to 57,957.50 and 126,998.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,957.50 : 126,998.50 = 126,998.50 : x
2. Step 2: Convert to fraction form
   57,957.50/126,998.50 = 126,998.50/x
3. Step 3: Cross multiply
   57,957.50x = 126,998.50 × 126,998.50
4. Step 4: Simplify right side
   57,957.50x = 16,128,619,002.25
5. Step 5: Solve for x
   x = 16,128,619,002.25/57,957.50
6. Step 6: Final answer
   x = 278,283.55