Finding the Third Proportional to 399,002 and 854,050

Step by Step Solution

1. Step 1: Write the proportion equation
   399,002 : 854,050 = 854,050 : x
2. Step 2: Convert to fraction form
   399,002/854,050 = 854,050/x
3. Step 3: Cross multiply
   399,002x = 854,050 × 854,050
4. Step 4: Simplify right side
   399,002x = 729,401,402,500
5. Step 5: Solve for x
   x = 729,401,402,500/399,002
6. Step 6: Final answer
   x = 1,828,064.53