Finding the Third Proportional to 2,685,966 and 4,165,109

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685,966 : 4,165,109 = 4,165,109 : x
2. Step 2: Convert to fraction form
   2,685,966/4,165,109 = 4,165,109/x
3. Step 3: Cross multiply
   2,685,966x = 4,165,109 × 4,165,109
4. Step 4: Simplify right side
   2,685,966x = 17,348,132,981,881
5. Step 5: Solve for x
   x = 17,348,132,981,881/2,685,966
6. Step 6: Final answer
   x = 6,458,805.88