Finding the Third Proportional to 492,448 and 1,058,456

Step by Step Solution

1. Step 1: Write the proportion equation
   492,448 : 1,058,456 = 1,058,456 : x
2. Step 2: Convert to fraction form
   492,448/1,058,456 = 1,058,456/x
3. Step 3: Cross multiply
   492,448x = 1,058,456 × 1,058,456
4. Step 4: Simplify right side
   492,448x = 1,120,329,103,936
5. Step 5: Solve for x
   x = 1,120,329,103,936/492,448
6. Step 6: Final answer
   x = 2,275,020.11