Finding the Third Proportional to 5,716 and 12,469

Step by Step Solution

1. Step 1: Write the proportion equation
   5,716 : 12,469 = 12,469 : x
2. Step 2: Convert to fraction form
   5,716/12,469 = 12,469/x
3. Step 3: Cross multiply
   5,716x = 12,469 × 12,469
4. Step 4: Simplify right side
   5,716x = 155,475,961
5. Step 5: Solve for x
   x = 155,475,961/5,716
6. Step 6: Final answer
   x = 27,200.13