Finding the Third Proportional to 82,992 and 108,936

Step by Step Solution

1. Step 1: Write the proportion equation
   82,992 : 108,936 = 108,936 : x
2. Step 2: Convert to fraction form
   82,992/108,936 = 108,936/x
3. Step 3: Cross multiply
   82,992x = 108,936 × 108,936
4. Step 4: Simplify right side
   82,992x = 11,867,052,096
5. Step 5: Solve for x
   x = 11,867,052,096/82,992
6. Step 6: Final answer
   x = 142,990.31