Finding the Third Proportional to 858,524 and 1,864,666

Step by Step Solution

1. Step 1: Write the proportion equation
   858,524 : 1,864,666 = 1,864,666 : x
2. Step 2: Convert to fraction form
   858,524/1,864,666 = 1,864,666/x
3. Step 3: Cross multiply
   858,524x = 1,864,666 × 1,864,666
4. Step 4: Simplify right side
   858,524x = 3,476,979,291,556
5. Step 5: Solve for x
   x = 3,476,979,291,556/858,524
6. Step 6: Final answer
   x = 4,049,950.02