Finding the Third Proportional to 485,108 and 1,058,320

Step by Step Solution

1. Step 1: Write the proportion equation
   485,108 : 1,058,320 = 1,058,320 : x
2. Step 2: Convert to fraction form
   485,108/1,058,320 = 1,058,320/x
3. Step 3: Cross multiply
   485,108x = 1,058,320 × 1,058,320
4. Step 4: Simplify right side
   485,108x = 1,120,041,222,400
5. Step 5: Solve for x
   x = 1,120,041,222,400/485,108
6. Step 6: Final answer
   x = 2,308,849.21