Finding the Third Proportional to 82,024 and 178,872

Step by Step Solution

1. Step 1: Write the proportion equation
   82,024 : 178,872 = 178,872 : x
2. Step 2: Convert to fraction form
   82,024/178,872 = 178,872/x
3. Step 3: Cross multiply
   82,024x = 178,872 × 178,872
4. Step 4: Simplify right side
   82,024x = 31,995,192,384
5. Step 5: Solve for x
   x = 31,995,192,384/82,024
6. Step 6: Final answer
   x = 390,071.11