Finding the Third Proportional to 5,521.50 and 8,544.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,521.50 : 8,544.38 = 8,544.38 : x
2. Step 2: Convert to fraction form
   5,521.50/8,544.38 = 8,544.38/x
3. Step 3: Cross multiply
   5,521.50x = 8,544.38 × 8,544.38
4. Step 4: Simplify right side
   5,521.50x = 73,006,344.14
5. Step 5: Solve for x
   x = 73,006,344.14/5,521.50
6. Step 6: Final answer
   x = 13,222.19