Finding the Third Proportional to 57,300 and 124,561.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,300 : 124,561.50 = 124,561.50 : x
2. Step 2: Convert to fraction form
   57,300/124,561.50 = 124,561.50/x
3. Step 3: Cross multiply
   57,300x = 124,561.50 × 124,561.50
4. Step 4: Simplify right side
   57,300x = 15,515,567,282.25
5. Step 5: Solve for x
   x = 15,515,567,282.25/57,300
6. Step 6: Final answer
   x = 270,777.79