Finding the Third Proportional to 647,369 and 980,048

Step by Step Solution

1. Step 1: Write the proportion equation
   647,369 : 980,048 = 980,048 : x
2. Step 2: Convert to fraction form
   647,369/980,048 = 980,048/x
3. Step 3: Cross multiply
   647,369x = 980,048 × 980,048
4. Step 4: Simplify right side
   647,369x = 960,494,082,304
5. Step 5: Solve for x
   x = 960,494,082,304/647,369
6. Step 6: Final answer
   x = 1,483,688.72