Finding the Third Proportional to 208,436 and 322,950

Step by Step Solution

1. Step 1: Write the proportion equation
   208,436 : 322,950 = 322,950 : x
2. Step 2: Convert to fraction form
   208,436/322,950 = 322,950/x
3. Step 3: Cross multiply
   208,436x = 322,950 × 322,950
4. Step 4: Simplify right side
   208,436x = 104,296,702,500
5. Step 5: Solve for x
   x = 104,296,702,500/208,436
6. Step 6: Final answer
   x = 500,377.59