Finding the Third Proportional to 858,529 and 1,850,951

Step by Step Solution

1. Step 1: Write the proportion equation
   858,529 : 1,850,951 = 1,850,951 : x
2. Step 2: Convert to fraction form
   858,529/1,850,951 = 1,850,951/x
3. Step 3: Cross multiply
   858,529x = 1,850,951 × 1,850,951
4. Step 4: Simplify right side
   858,529x = 3,426,019,604,401
5. Step 5: Solve for x
   x = 3,426,019,604,401/858,529
6. Step 6: Final answer
   x = 3,990,569.46