Finding the Third Proportional to 3,601.50 and 7,728

Step by Step Solution

1. Step 1: Write the proportion equation
   3,601.50 : 7,728 = 7,728 : x
2. Step 2: Convert to fraction form
   3,601.50/7,728 = 7,728/x
3. Step 3: Cross multiply
   3,601.50x = 7,728 × 7,728
4. Step 4: Simplify right side
   3,601.50x = 59,721,984
5. Step 5: Solve for x
   x = 59,721,984/3,601.50
6. Step 6: Final answer
   x = 16,582.53