Finding the Third Proportional to 2,656,838 and 4,229,617

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656,838 : 4,229,617 = 4,229,617 : x
2. Step 2: Convert to fraction form
   2,656,838/4,229,617 = 4,229,617/x
3. Step 3: Cross multiply
   2,656,838x = 4,229,617 × 4,229,617
4. Step 4: Simplify right side
   2,656,838x = 17,889,659,966,689
5. Step 5: Solve for x
   x = 17,889,659,966,689/2,656,838
6. Step 6: Final answer
   x = 6,733,440.26