Finding the Third Proportional to 2,389,826 and 5,159,974

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389,826 : 5,159,974 = 5,159,974 : x
2. Step 2: Convert to fraction form
   2,389,826/5,159,974 = 5,159,974/x
3. Step 3: Cross multiply
   2,389,826x = 5,159,974 × 5,159,974
4. Step 4: Simplify right side
   2,389,826x = 26,625,331,680,676
5. Step 5: Solve for x
   x = 26,625,331,680,676/2,389,826
6. Step 6: Final answer
   x = 11,141,117.25