Finding the Third Proportional to 700,406 and 1,019,991

Step by Step Solution

1. Step 1: Write the proportion equation
   700,406 : 1,019,991 = 1,019,991 : x
2. Step 2: Convert to fraction form
   700,406/1,019,991 = 1,019,991/x
3. Step 3: Cross multiply
   700,406x = 1,019,991 × 1,019,991
4. Step 4: Simplify right side
   700,406x = 1,040,381,640,081
5. Step 5: Solve for x
   x = 1,040,381,640,081/700,406
6. Step 6: Final answer
   x = 1,485,397.96