Finding the Third Proportional to 3,867.75 and 7,405.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,867.75 : 7,405.17 = 7,405.17 : x
2. Step 2: Convert to fraction form
   3,867.75/7,405.17 = 7,405.17/x
3. Step 3: Cross multiply
   3,867.75x = 7,405.17 × 7,405.17
4. Step 4: Simplify right side
   3,867.75x = 54,836,570.50
5. Step 5: Solve for x
   x = 54,836,570.50/3,867.75
6. Step 6: Final answer
   x = 14,177.90