Finding the Third Proportional to 486.66 and 1,067.72

Step by Step Solution

1. Step 1: Write the proportion equation
   486.66 : 1,067.72 = 1,067.72 : x
2. Step 2: Convert to fraction form
   486.66/1,067.72 = 1,067.72/x
3. Step 3: Cross multiply
   486.66x = 1,067.72 × 1,067.72
4. Step 4: Simplify right side
   486.66x = 1,140,023.33
5. Step 5: Solve for x
   x = 1,140,023.33/486.66
6. Step 6: Final answer
   x = 2,342.56