Finding the Third Proportional to 479,380 and 1,040,245

Step by Step Solution

1. Step 1: Write the proportion equation
   479,380 : 1,040,245 = 1,040,245 : x
2. Step 2: Convert to fraction form
   479,380/1,040,245 = 1,040,245/x
3. Step 3: Cross multiply
   479,380x = 1,040,245 × 1,040,245
4. Step 4: Simplify right side
   479,380x = 1,082,109,660,025
5. Step 5: Solve for x
   x = 1,082,109,660,025/479,380
6. Step 6: Final answer
   x = 2,257,310.82