Finding the Third Proportional to 7,042 and 12,996

Step by Step Solution

1. Step 1: Write the proportion equation
   7,042 : 12,996 = 12,996 : x
2. Step 2: Convert to fraction form
   7,042/12,996 = 12,996/x
3. Step 3: Cross multiply
   7,042x = 12,996 × 12,996
4. Step 4: Simplify right side
   7,042x = 168,896,016
5. Step 5: Solve for x
   x = 168,896,016/7,042
6. Step 6: Final answer
   x = 23,984.10