Finding the Third Proportional to 5,874.71 and 12,919.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,874.71 : 12,919.82 = 12,919.82 : x
2. Step 2: Convert to fraction form
   5,874.71/12,919.82 = 12,919.82/x
3. Step 3: Cross multiply
   5,874.71x = 12,919.82 × 12,919.82
4. Step 4: Simplify right side
   5,874.71x = 166,921,655.97
5. Step 5: Solve for x
   x = 166,921,655.97/5,874.71
6. Step 6: Final answer
   x = 28,413.58