Finding the Third Proportional to 628,024 and 1,375,478

Step by Step Solution

1. Step 1: Write the proportion equation
   628,024 : 1,375,478 = 1,375,478 : x
2. Step 2: Convert to fraction form
   628,024/1,375,478 = 1,375,478/x
3. Step 3: Cross multiply
   628,024x = 1,375,478 × 1,375,478
4. Step 4: Simplify right side
   628,024x = 1,891,939,728,484
5. Step 5: Solve for x
   x = 1,891,939,728,484/628,024
6. Step 6: Final answer
   x = 3,012,527.75