Finding the Third Proportional to 56,317 and 123,477

Step by Step Solution

1. Step 1: Write the proportion equation
   56,317 : 123,477 = 123,477 : x
2. Step 2: Convert to fraction form
   56,317/123,477 = 123,477/x
3. Step 3: Cross multiply
   56,317x = 123,477 × 123,477
4. Step 4: Simplify right side
   56,317x = 15,246,569,529
5. Step 5: Solve for x
   x = 15,246,569,529/56,317
6. Step 6: Final answer
   x = 270,727.66