Finding the Third Proportional to 13,992 and 33,240

Step by Step Solution

1. Step 1: Write the proportion equation
   13,992 : 33,240 = 33,240 : x
2. Step 2: Convert to fraction form
   13,992/33,240 = 33,240/x
3. Step 3: Cross multiply
   13,992x = 33,240 × 33,240
4. Step 4: Simplify right side
   13,992x = 1,104,897,600
5. Step 5: Solve for x
   x = 1,104,897,600/13,992
6. Step 6: Final answer
   x = 78,966.38