Finding the Third Proportional to 57,857.50 and 126,812

Step by Step Solution

1. Step 1: Write the proportion equation
   57,857.50 : 126,812 = 126,812 : x
2. Step 2: Convert to fraction form
   57,857.50/126,812 = 126,812/x
3. Step 3: Cross multiply
   57,857.50x = 126,812 × 126,812
4. Step 4: Simplify right side
   57,857.50x = 16,081,283,344
5. Step 5: Solve for x
   x = 16,081,283,344/57,857.50
6. Step 6: Final answer
   x = 277,946.39