Finding the Third Proportional to 599,304 and 1,287,540

Step by Step Solution

1. Step 1: Write the proportion equation
   599,304 : 1,287,540 = 1,287,540 : x
2. Step 2: Convert to fraction form
   599,304/1,287,540 = 1,287,540/x
3. Step 3: Cross multiply
   599,304x = 1,287,540 × 1,287,540
4. Step 4: Simplify right side
   599,304x = 1,657,759,251,600
5. Step 5: Solve for x
   x = 1,657,759,251,600/599,304
6. Step 6: Final answer
   x = 2,766,140.81