Finding the Third Proportional to 2,451.69 and 5,328.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,451.69 : 5,328.38 = 5,328.38 : x
2. Step 2: Convert to fraction form
   2,451.69/5,328.38 = 5,328.38/x
3. Step 3: Cross multiply
   2,451.69x = 5,328.38 × 5,328.38
4. Step 4: Simplify right side
   2,451.69x = 28,391,580.14
5. Step 5: Solve for x
   x = 28,391,580.14/2,451.69
6. Step 6: Final answer
   x = 11,580.42