Finding the Third Proportional to 3,375.42 and 5,491.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,375.42 : 5,491.55 = 5,491.55 : x
2. Step 2: Convert to fraction form
   3,375.42/5,491.55 = 5,491.55/x
3. Step 3: Cross multiply
   3,375.42x = 5,491.55 × 5,491.55
4. Step 4: Simplify right side
   3,375.42x = 30,157,087.08
5. Step 5: Solve for x
   x = 30,157,087.08/3,375.42
6. Step 6: Final answer
   x = 8,934.32