Finding the Third Proportional to 2,786,290 and 5,690,652

Step by Step Solution

1. Step 1: Write the proportion equation
   2,786,290 : 5,690,652 = 5,690,652 : x
2. Step 2: Convert to fraction form
   2,786,290/5,690,652 = 5,690,652/x
3. Step 3: Cross multiply
   2,786,290x = 5,690,652 × 5,690,652
4. Step 4: Simplify right side
   2,786,290x = 32,383,520,185,104
5. Step 5: Solve for x
   x = 32,383,520,185,104/2,786,290
6. Step 6: Final answer
   x = 11,622,451.43