Finding the Third Proportional to 3,404 and 3,728

Step by Step Solution

1. Step 1: Write the proportion equation
   3,404 : 3,728 = 3,728 : x
2. Step 2: Convert to fraction form
   3,404/3,728 = 3,728/x
3. Step 3: Cross multiply
   3,404x = 3,728 × 3,728
4. Step 4: Simplify right side
   3,404x = 13,897,984
5. Step 5: Solve for x
   x = 13,897,984/3,404
6. Step 6: Final answer
   x = 4,082.84