Finding the Third Proportional to 2,639,328 and 5,651,904

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639,328 : 5,651,904 = 5,651,904 : x
2. Step 2: Convert to fraction form
   2,639,328/5,651,904 = 5,651,904/x
3. Step 3: Cross multiply
   2,639,328x = 5,651,904 × 5,651,904
4. Step 4: Simplify right side
   2,639,328x = 31,944,018,825,216
5. Step 5: Solve for x
   x = 31,944,018,825,216/2,639,328
6. Step 6: Final answer
   x = 12,103,087.92