Finding the Third Proportional to 2,179,864 and 3,402,256

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179,864 : 3,402,256 = 3,402,256 : x
2. Step 2: Convert to fraction form
   2,179,864/3,402,256 = 3,402,256/x
3. Step 3: Cross multiply
   2,179,864x = 3,402,256 × 3,402,256
4. Step 4: Simplify right side
   2,179,864x = 11,575,345,889,536
5. Step 5: Solve for x
   x = 11,575,345,889,536/2,179,864
6. Step 6: Final answer
   x = 5,310,122.97