Finding the Third Proportional to 2,067.40 and 4,879.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.40 : 4,879.62 = 4,879.62 : x
2. Step 2: Convert to fraction form
   2,067.40/4,879.62 = 4,879.62/x
3. Step 3: Cross multiply
   2,067.40x = 4,879.62 × 4,879.62
4. Step 4: Simplify right side
   2,067.40x = 23,810,663.90
5. Step 5: Solve for x
   x = 23,810,663.90/2,067.40
6. Step 6: Final answer
   x = 11,517.21