Finding the Third Proportional to 1,805,222 and 3,964,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805,222 : 3,964,720 = 3,964,720 : x
2. Step 2: Convert to fraction form
   1,805,222/3,964,720 = 3,964,720/x
3. Step 3: Cross multiply
   1,805,222x = 3,964,720 × 3,964,720
4. Step 4: Simplify right side
   1,805,222x = 15,719,004,678,400
5. Step 5: Solve for x
   x = 15,719,004,678,400/1,805,222
6. Step 6: Final answer
   x = 8,707,518.90