Finding the Third Proportional to 605,404 and 1,273,540

Step by Step Solution

1. Step 1: Write the proportion equation
   605,404 : 1,273,540 = 1,273,540 : x
2. Step 2: Convert to fraction form
   605,404/1,273,540 = 1,273,540/x
3. Step 3: Cross multiply
   605,404x = 1,273,540 × 1,273,540
4. Step 4: Simplify right side
   605,404x = 1,621,904,131,600
5. Step 5: Solve for x
   x = 1,621,904,131,600/605,404
6. Step 6: Final answer
   x = 2,679,044.29