Finding the Third Proportional to 254,168 and 338,850

Step by Step Solution

1. Step 1: Write the proportion equation
   254,168 : 338,850 = 338,850 : x
2. Step 2: Convert to fraction form
   254,168/338,850 = 338,850/x
3. Step 3: Cross multiply
   254,168x = 338,850 × 338,850
4. Step 4: Simplify right side
   254,168x = 114,819,322,500
5. Step 5: Solve for x
   x = 114,819,322,500/254,168
6. Step 6: Final answer
   x = 451,745.78