Finding the Third Proportional to 402,003 and 850,662

Step by Step Solution

1. Step 1: Write the proportion equation
   402,003 : 850,662 = 850,662 : x
2. Step 2: Convert to fraction form
   402,003/850,662 = 850,662/x
3. Step 3: Cross multiply
   402,003x = 850,662 × 850,662
4. Step 4: Simplify right side
   402,003x = 723,625,838,244
5. Step 5: Solve for x
   x = 723,625,838,244/402,003
6. Step 6: Final answer
   x = 1,800,050.84