Finding the Third Proportional to 33,240 and 70,872

Step by Step Solution

1. Step 1: Write the proportion equation
   33,240 : 70,872 = 70,872 : x
2. Step 2: Convert to fraction form
   33,240/70,872 = 70,872/x
3. Step 3: Cross multiply
   33,240x = 70,872 × 70,872
4. Step 4: Simplify right side
   33,240x = 5,022,840,384
5. Step 5: Solve for x
   x = 5,022,840,384/33,240
6. Step 6: Final answer
   x = 151,108.31