Finding the Third Proportional to 1,805,164 and 3,964,642

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805,164 : 3,964,642 = 3,964,642 : x
2. Step 2: Convert to fraction form
   1,805,164/3,964,642 = 3,964,642/x
3. Step 3: Cross multiply
   1,805,164x = 3,964,642 × 3,964,642
4. Step 4: Simplify right side
   1,805,164x = 15,718,386,188,164
5. Step 5: Solve for x
   x = 15,718,386,188,164/1,805,164
6. Step 6: Final answer
   x = 8,707,456.05