Finding the Third Proportional to 858,805 and 1,835,707

Step by Step Solution

1. Step 1: Write the proportion equation
   858,805 : 1,835,707 = 1,835,707 : x
2. Step 2: Convert to fraction form
   858,805/1,835,707 = 1,835,707/x
3. Step 3: Cross multiply
   858,805x = 1,835,707 × 1,835,707
4. Step 4: Simplify right side
   858,805x = 3,369,820,189,849
5. Step 5: Solve for x
   x = 3,369,820,189,849/858,805
6. Step 6: Final answer
   x = 3,923,847.89