Finding the Third Proportional to 665,292 and 1,603,974

Step by Step Solution

1. Step 1: Write the proportion equation
   665,292 : 1,603,974 = 1,603,974 : x
2. Step 2: Convert to fraction form
   665,292/1,603,974 = 1,603,974/x
3. Step 3: Cross multiply
   665,292x = 1,603,974 × 1,603,974
4. Step 4: Simplify right side
   665,292x = 2,572,732,592,676
5. Step 5: Solve for x
   x = 2,572,732,592,676/665,292
6. Step 6: Final answer
   x = 3,867,072.79