Finding the Third Proportional to 1,805,168 and 3,964,568

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805,168 : 3,964,568 = 3,964,568 : x
2. Step 2: Convert to fraction form
   1,805,168/3,964,568 = 3,964,568/x
3. Step 3: Cross multiply
   1,805,168x = 3,964,568 × 3,964,568
4. Step 4: Simplify right side
   1,805,168x = 15,717,799,426,624
5. Step 5: Solve for x
   x = 15,717,799,426,624/1,805,168
6. Step 6: Final answer
   x = 8,707,111.71