Finding the Third Proportional to 2,685,828 and 4,164,894

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685,828 : 4,164,894 = 4,164,894 : x
2. Step 2: Convert to fraction form
   2,685,828/4,164,894 = 4,164,894/x
3. Step 3: Cross multiply
   2,685,828x = 4,164,894 × 4,164,894
4. Step 4: Simplify right side
   2,685,828x = 17,346,342,031,236
5. Step 5: Solve for x
   x = 17,346,342,031,236/2,685,828
6. Step 6: Final answer
   x = 6,458,470.92