Finding the Third Proportional to 226,729.50 and 338,910

Step by Step Solution

1. Step 1: Write the proportion equation
   226,729.50 : 338,910 = 338,910 : x
2. Step 2: Convert to fraction form
   226,729.50/338,910 = 338,910/x
3. Step 3: Cross multiply
   226,729.50x = 338,910 × 338,910
4. Step 4: Simplify right side
   226,729.50x = 114,859,988,100
5. Step 5: Solve for x
   x = 114,859,988,100/226,729.50
6. Step 6: Final answer
   x = 506,594.81