Finding the Third Proportional to 57,118.50 and 123,770.25

Step by Step Solution

1. Step 1: Write the proportion equation
   57,118.50 : 123,770.25 = 123,770.25 : x
2. Step 2: Convert to fraction form
   57,118.50/123,770.25 = 123,770.25/x
3. Step 3: Cross multiply
   57,118.50x = 123,770.25 × 123,770.25
4. Step 4: Simplify right side
   57,118.50x = 15,319,074,785.06
5. Step 5: Solve for x
   x = 15,319,074,785.06/57,118.50
6. Step 6: Final answer
   x = 268,198.13