Finding the Third Proportional to 2,728.69 and 4,553.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,728.69 : 4,553.72 = 4,553.72 : x
2. Step 2: Convert to fraction form
   2,728.69/4,553.72 = 4,553.72/x
3. Step 3: Cross multiply
   2,728.69x = 4,553.72 × 4,553.72
4. Step 4: Simplify right side
   2,728.69x = 20,736,354.45
5. Step 5: Solve for x
   x = 20,736,354.45/2,728.69
6. Step 6: Final answer
   x = 7,599.39