Finding the Third Proportional to 3,160.69 and 7,400.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,160.69 : 7,400.53 = 7,400.53 : x
2. Step 2: Convert to fraction form
   3,160.69/7,400.53 = 7,400.53/x
3. Step 3: Cross multiply
   3,160.69x = 7,400.53 × 7,400.53
4. Step 4: Simplify right side
   3,160.69x = 54,767,862.78
5. Step 5: Solve for x
   x = 54,767,862.78/3,160.69
6. Step 6: Final answer
   x = 17,327.83