Finding the Third Proportional to 700,408 and 1,019,992

Step by Step Solution

1. Step 1: Write the proportion equation
   700,408 : 1,019,992 = 1,019,992 : x
2. Step 2: Convert to fraction form
   700,408/1,019,992 = 1,019,992/x
3. Step 3: Cross multiply
   700,408x = 1,019,992 × 1,019,992
4. Step 4: Simplify right side
   700,408x = 1,040,383,680,064
5. Step 5: Solve for x
   x = 1,040,383,680,064/700,408
6. Step 6: Final answer
   x = 1,485,396.63