Finding the Third Proportional to 254,366.50 and 404,901

Step by Step Solution

1. Step 1: Write the proportion equation
   254,366.50 : 404,901 = 404,901 : x
2. Step 2: Convert to fraction form
   254,366.50/404,901 = 404,901/x
3. Step 3: Cross multiply
   254,366.50x = 404,901 × 404,901
4. Step 4: Simplify right side
   254,366.50x = 163,944,819,801
5. Step 5: Solve for x
   x = 163,944,819,801/254,366.50
6. Step 6: Final answer
   x = 644,522.06