Finding the Third Proportional to 494,420 and 1,058,830

Step by Step Solution

1. Step 1: Write the proportion equation
   494,420 : 1,058,830 = 1,058,830 : x
2. Step 2: Convert to fraction form
   494,420/1,058,830 = 1,058,830/x
3. Step 3: Cross multiply
   494,420x = 1,058,830 × 1,058,830
4. Step 4: Simplify right side
   494,420x = 1,121,120,968,900
5. Step 5: Solve for x
   x = 1,121,120,968,900/494,420
6. Step 6: Final answer
   x = 2,267,547.77