Finding the Third Proportional to 56,736 and 123,422

Step by Step Solution

1. Step 1: Write the proportion equation
   56,736 : 123,422 = 123,422 : x
2. Step 2: Convert to fraction form
   56,736/123,422 = 123,422/x
3. Step 3: Cross multiply
   56,736x = 123,422 × 123,422
4. Step 4: Simplify right side
   56,736x = 15,232,990,084
5. Step 5: Solve for x
   x = 15,232,990,084/56,736
6. Step 6: Final answer
   x = 268,488.97