Finding the Third Proportional to 478,640 and 1,036,524

Step by Step Solution

1. Step 1: Write the proportion equation
   478,640 : 1,036,524 = 1,036,524 : x
2. Step 2: Convert to fraction form
   478,640/1,036,524 = 1,036,524/x
3. Step 3: Cross multiply
   478,640x = 1,036,524 × 1,036,524
4. Step 4: Simplify right side
   478,640x = 1,074,382,002,576
5. Step 5: Solve for x
   x = 1,074,382,002,576/478,640
6. Step 6: Final answer
   x = 2,244,655.70