Finding the Third Proportional to 2,163,864 and 3,368,256

Step by Step Solution

1. Step 1: Write the proportion equation
   2,163,864 : 3,368,256 = 3,368,256 : x
2. Step 2: Convert to fraction form
   2,163,864/3,368,256 = 3,368,256/x
3. Step 3: Cross multiply
   2,163,864x = 3,368,256 × 3,368,256
4. Step 4: Simplify right side
   2,163,864x = 11,345,148,481,536
5. Step 5: Solve for x
   x = 11,345,148,481,536/2,163,864
6. Step 6: Final answer
   x = 5,243,004.40