Finding the Third Proportional to 56,708 and 123,254

Step by Step Solution

1. Step 1: Write the proportion equation
   56,708 : 123,254 = 123,254 : x
2. Step 2: Convert to fraction form
   56,708/123,254 = 123,254/x
3. Step 3: Cross multiply
   56,708x = 123,254 × 123,254
4. Step 4: Simplify right side
   56,708x = 15,191,548,516
5. Step 5: Solve for x
   x = 15,191,548,516/56,708
6. Step 6: Final answer
   x = 267,890.75