Finding the Third Proportional to 209,631 and 332,104.50

Step by Step Solution

1. Step 1: Write the proportion equation
   209,631 : 332,104.50 = 332,104.50 : x
2. Step 2: Convert to fraction form
   209,631/332,104.50 = 332,104.50/x
3. Step 3: Cross multiply
   209,631x = 332,104.50 × 332,104.50
4. Step 4: Simplify right side
   209,631x = 110,293,398,920.25
5. Step 5: Solve for x
   x = 110,293,398,920.25/209,631
6. Step 6: Final answer
   x = 526,131.15