Finding the Third Proportional to 1,479,788 and 2,215,626

Step by Step Solution

1. Step 1: Write the proportion equation
   1,479,788 : 2,215,626 = 2,215,626 : x
2. Step 2: Convert to fraction form
   1,479,788/2,215,626 = 2,215,626/x
3. Step 3: Cross multiply
   1,479,788x = 2,215,626 × 2,215,626
4. Step 4: Simplify right side
   1,479,788x = 4,908,998,571,876
5. Step 5: Solve for x
   x = 4,908,998,571,876/1,479,788
6. Step 6: Final answer
   x = 3,317,366.12