Finding the Third Proportional to 3,867.75 and 7,672.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,867.75 : 7,672.22 = 7,672.22 : x
2. Step 2: Convert to fraction form
   3,867.75/7,672.22 = 7,672.22/x
3. Step 3: Cross multiply
   3,867.75x = 7,672.22 × 7,672.22
4. Step 4: Simplify right side
   3,867.75x = 58,862,940.55
5. Step 5: Solve for x
   x = 58,862,940.55/3,867.75
6. Step 6: Final answer
   x = 15,218.91