Finding the Third Proportional to 486,692 and 1,040,642

Step by Step Solution

1. Step 1: Write the proportion equation
   486,692 : 1,040,642 = 1,040,642 : x
2. Step 2: Convert to fraction form
   486,692/1,040,642 = 1,040,642/x
3. Step 3: Cross multiply
   486,692x = 1,040,642 × 1,040,642
4. Step 4: Simplify right side
   486,692x = 1,082,935,772,164
5. Step 5: Solve for x
   x = 1,082,935,772,164/486,692
6. Step 6: Final answer
   x = 2,225,094.66