Finding the Third Proportional to 3,168 and 5,728

Step by Step Solution

1. Step 1: Write the proportion equation
   3,168 : 5,728 = 5,728 : x
2. Step 2: Convert to fraction form
   3,168/5,728 = 5,728/x
3. Step 3: Cross multiply
   3,168x = 5,728 × 5,728
4. Step 4: Simplify right side
   3,168x = 32,809,984
5. Step 5: Solve for x
   x = 32,809,984/3,168
6. Step 6: Final answer
   x = 10,356.69