Finding the Third Proportional to 33,115 and 71,874

Step by Step Solution

1. Step 1: Write the proportion equation
   33,115 : 71,874 = 71,874 : x
2. Step 2: Convert to fraction form
   33,115/71,874 = 71,874/x
3. Step 3: Cross multiply
   33,115x = 71,874 × 71,874
4. Step 4: Simplify right side
   33,115x = 5,165,871,876
5. Step 5: Solve for x
   x = 5,165,871,876/33,115
6. Step 6: Final answer
   x = 155,997.94