Finding the Third Proportional to 5,401.69 and 8,872.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401.69 : 8,872.03 = 8,872.03 : x
2. Step 2: Convert to fraction form
   5,401.69/8,872.03 = 8,872.03/x
3. Step 3: Cross multiply
   5,401.69x = 8,872.03 × 8,872.03
4. Step 4: Simplify right side
   5,401.69x = 78,712,938.50
5. Step 5: Solve for x
   x = 78,712,938.50/5,401.69
6. Step 6: Final answer
   x = 14,571.92