Finding the Third Proportional to 856,609 and 1,842,404

Step by Step Solution

1. Step 1: Write the proportion equation
   856,609 : 1,842,404 = 1,842,404 : x
2. Step 2: Convert to fraction form
   856,609/1,842,404 = 1,842,404/x
3. Step 3: Cross multiply
   856,609x = 1,842,404 × 1,842,404
4. Step 4: Simplify right side
   856,609x = 3,394,452,499,216
5. Step 5: Solve for x
   x = 3,394,452,499,216/856,609
6. Step 6: Final answer
   x = 3,962,662.66