Finding the Third Proportional to 1,286,626 and 1,892,508

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,626 : 1,892,508 = 1,892,508 : x
2. Step 2: Convert to fraction form
   1,286,626/1,892,508 = 1,892,508/x
3. Step 3: Cross multiply
   1,286,626x = 1,892,508 × 1,892,508
4. Step 4: Simplify right side
   1,286,626x = 3,581,586,530,064
5. Step 5: Solve for x
   x = 3,581,586,530,064/1,286,626
6. Step 6: Final answer
   x = 2,783,704.46