Finding the Third Proportional to 56,670 and 123,708

Step by Step Solution

1. Step 1: Write the proportion equation
   56,670 : 123,708 = 123,708 : x
2. Step 2: Convert to fraction form
   56,670/123,708 = 123,708/x
3. Step 3: Cross multiply
   56,670x = 123,708 × 123,708
4. Step 4: Simplify right side
   56,670x = 15,303,669,264
5. Step 5: Solve for x
   x = 15,303,669,264/56,670
6. Step 6: Final answer
   x = 270,048.87