Finding the Third Proportional to 3,528.56 and 7,644.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,528.56 : 7,644.38 = 7,644.38 : x
2. Step 2: Convert to fraction form
   3,528.56/7,644.38 = 7,644.38/x
3. Step 3: Cross multiply
   3,528.56x = 7,644.38 × 7,644.38
4. Step 4: Simplify right side
   3,528.56x = 58,436,469.14
5. Step 5: Solve for x
   x = 58,436,469.14/3,528.56
6. Step 6: Final answer
   x = 16,560.98