Finding the Third Proportional to 329,265 and 674,082

Step by Step Solution

1. Step 1: Write the proportion equation
   329,265 : 674,082 = 674,082 : x
2. Step 2: Convert to fraction form
   329,265/674,082 = 674,082/x
3. Step 3: Cross multiply
   329,265x = 674,082 × 674,082
4. Step 4: Simplify right side
   329,265x = 454,386,542,724
5. Step 5: Solve for x
   x = 454,386,542,724/329,265
6. Step 6: Final answer
   x = 1,380,002.56