Finding the Third Proportional to 57,856.50 and 126,810

Step by Step Solution

1. Step 1: Write the proportion equation
   57,856.50 : 126,810 = 126,810 : x
2. Step 2: Convert to fraction form
   57,856.50/126,810 = 126,810/x
3. Step 3: Cross multiply
   57,856.50x = 126,810 × 126,810
4. Step 4: Simplify right side
   57,856.50x = 16,080,776,100
5. Step 5: Solve for x
   x = 16,080,776,100/57,856.50
6. Step 6: Final answer
   x = 277,942.43