Finding the Third Proportional to 2,800 and 5,920

Step by Step Solution

1. Step 1: Write the proportion equation
   2,800 : 5,920 = 5,920 : x
2. Step 2: Convert to fraction form
   2,800/5,920 = 5,920/x
3. Step 3: Cross multiply
   2,800x = 5,920 × 5,920
4. Step 4: Simplify right side
   2,800x = 35,046,400
5. Step 5: Solve for x
   x = 35,046,400/2,800
6. Step 6: Final answer
   x = 12,516.57