Finding the Third Proportional to 671,960.25 and 1,040,442

Step by Step Solution

1. Step 1: Write the proportion equation
   671,960.25 : 1,040,442 = 1,040,442 : x
2. Step 2: Convert to fraction form
   671,960.25/1,040,442 = 1,040,442/x
3. Step 3: Cross multiply
   671,960.25x = 1,040,442 × 1,040,442
4. Step 4: Simplify right side
   671,960.25x = 1,082,519,555,364
5. Step 5: Solve for x
   x = 1,082,519,555,364/671,960.25
6. Step 6: Final answer
   x = 1,610,987.49