Finding the Third Proportional to 2,685,963 and 4,165,105

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685,963 : 4,165,105 = 4,165,105 : x
2. Step 2: Convert to fraction form
   2,685,963/4,165,105 = 4,165,105/x
3. Step 3: Cross multiply
   2,685,963x = 4,165,105 × 4,165,105
4. Step 4: Simplify right side
   2,685,963x = 17,348,099,661,025
5. Step 5: Solve for x
   x = 17,348,099,661,025/2,685,963
6. Step 6: Final answer
   x = 6,458,800.68