Finding the Third Proportional to 538,443 and 833,626

Step by Step Solution

1. Step 1: Write the proportion equation
   538,443 : 833,626 = 833,626 : x
2. Step 2: Convert to fraction form
   538,443/833,626 = 833,626/x
3. Step 3: Cross multiply
   538,443x = 833,626 × 833,626
4. Step 4: Simplify right side
   538,443x = 694,932,307,876
5. Step 5: Solve for x
   x = 694,932,307,876/538,443
6. Step 6: Final answer
   x = 1,290,633.01