Finding the Third Proportional to 647,282 and 1,320,268

Step by Step Solution

1. Step 1: Write the proportion equation
   647,282 : 1,320,268 = 1,320,268 : x
2. Step 2: Convert to fraction form
   647,282/1,320,268 = 1,320,268/x
3. Step 3: Cross multiply
   647,282x = 1,320,268 × 1,320,268
4. Step 4: Simplify right side
   647,282x = 1,743,107,591,824
5. Step 5: Solve for x
   x = 1,743,107,591,824/647,282
6. Step 6: Final answer
   x = 2,692,964.72