Finding the Third Proportional to 164,234 and 254,799

Step by Step Solution

1. Step 1: Write the proportion equation
   164,234 : 254,799 = 254,799 : x
2. Step 2: Convert to fraction form
   164,234/254,799 = 254,799/x
3. Step 3: Cross multiply
   164,234x = 254,799 × 254,799
4. Step 4: Simplify right side
   164,234x = 64,922,530,401
5. Step 5: Solve for x
   x = 64,922,530,401/164,234
6. Step 6: Final answer
   x = 395,305.05