Finding the Third Proportional to 492,442 and 1,058,449

Step by Step Solution

1. Step 1: Write the proportion equation
   492,442 : 1,058,449 = 1,058,449 : x
2. Step 2: Convert to fraction form
   492,442/1,058,449 = 1,058,449/x
3. Step 3: Cross multiply
   492,442x = 1,058,449 × 1,058,449
4. Step 4: Simplify right side
   492,442x = 1,120,314,285,601
5. Step 5: Solve for x
   x = 1,120,314,285,601/492,442
6. Step 6: Final answer
   x = 2,275,017.74