Finding the Third Proportional to 1,691,626 and 3,647,326

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,626 : 3,647,326 = 3,647,326 : x
2. Step 2: Convert to fraction form
   1,691,626/3,647,326 = 3,647,326/x
3. Step 3: Cross multiply
   1,691,626x = 3,647,326 × 3,647,326
4. Step 4: Simplify right side
   1,691,626x = 13,302,986,950,276
5. Step 5: Solve for x
   x = 13,302,986,950,276/1,691,626
6. Step 6: Final answer
   x = 7,864,023.70