Finding the Third Proportional to 669,386 and 1,019,766

Step by Step Solution

1. Step 1: Write the proportion equation
   669,386 : 1,019,766 = 1,019,766 : x
2. Step 2: Convert to fraction form
   669,386/1,019,766 = 1,019,766/x
3. Step 3: Cross multiply
   669,386x = 1,019,766 × 1,019,766
4. Step 4: Simplify right side
   669,386x = 1,039,922,694,756
5. Step 5: Solve for x
   x = 1,039,922,694,756/669,386
6. Step 6: Final answer
   x = 1,553,547.12