Finding the Third Proportional to 478,190 and 1,040,499

Step by Step Solution

1. Step 1: Write the proportion equation
   478,190 : 1,040,499 = 1,040,499 : x
2. Step 2: Convert to fraction form
   478,190/1,040,499 = 1,040,499/x
3. Step 3: Cross multiply
   478,190x = 1,040,499 × 1,040,499
4. Step 4: Simplify right side
   478,190x = 1,082,638,169,001
5. Step 5: Solve for x
   x = 1,082,638,169,001/478,190
6. Step 6: Final answer
   x = 2,264,033.48