Finding the Third Proportional to 3,007.55 and 7,245.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,007.55 : 7,245.42 = 7,245.42 : x
2. Step 2: Convert to fraction form
   3,007.55/7,245.42 = 7,245.42/x
3. Step 3: Cross multiply
   3,007.55x = 7,245.42 × 7,245.42
4. Step 4: Simplify right side
   3,007.55x = 52,496,138.15
5. Step 5: Solve for x
   x = 52,496,138.15/3,007.55
6. Step 6: Final answer
   x = 17,454.80