Finding the Third Proportional to 10,800 and 21,992

Step by Step Solution

1. Step 1: Write the proportion equation
   10,800 : 21,992 = 21,992 : x
2. Step 2: Convert to fraction form
   10,800/21,992 = 21,992/x
3. Step 3: Cross multiply
   10,800x = 21,992 × 21,992
4. Step 4: Simplify right side
   10,800x = 483,648,064
5. Step 5: Solve for x
   x = 483,648,064/10,800
6. Step 6: Final answer
   x = 44,782.23