Finding the Third Proportional to 858,500 and 1,864,744

Step by Step Solution

1. Step 1: Write the proportion equation
   858,500 : 1,864,744 = 1,864,744 : x
2. Step 2: Convert to fraction form
   858,500/1,864,744 = 1,864,744/x
3. Step 3: Cross multiply
   858,500x = 1,864,744 × 1,864,744
4. Step 4: Simplify right side
   858,500x = 3,477,270,185,536
5. Step 5: Solve for x
   x = 3,477,270,185,536/858,500
6. Step 6: Final answer
   x = 4,050,402.08