Finding the Third Proportional to 2,984 and 3,992

Step by Step Solution

1. Step 1: Write the proportion equation
   2,984 : 3,992 = 3,992 : x
2. Step 2: Convert to fraction form
   2,984/3,992 = 3,992/x
3. Step 3: Cross multiply
   2,984x = 3,992 × 3,992
4. Step 4: Simplify right side
   2,984x = 15,936,064
5. Step 5: Solve for x
   x = 15,936,064/2,984
6. Step 6: Final answer
   x = 5,340.50