Finding the Third Proportional to 10,992 and 15,116

Step by Step Solution

1. Step 1: Write the proportion equation
   10,992 : 15,116 = 15,116 : x
2. Step 2: Convert to fraction form
   10,992/15,116 = 15,116/x
3. Step 3: Cross multiply
   10,992x = 15,116 × 15,116
4. Step 4: Simplify right side
   10,992x = 228,493,456
5. Step 5: Solve for x
   x = 228,493,456/10,992
6. Step 6: Final answer
   x = 20,787.25