Finding the Third Proportional to 647,398 and 980,093

Step by Step Solution

1. Step 1: Write the proportion equation
   647,398 : 980,093 = 980,093 : x
2. Step 2: Convert to fraction form
   647,398/980,093 = 980,093/x
3. Step 3: Cross multiply
   647,398x = 980,093 × 980,093
4. Step 4: Simplify right side
   647,398x = 960,582,288,649
5. Step 5: Solve for x
   x = 960,582,288,649/647,398
6. Step 6: Final answer
   x = 1,483,758.51