Finding the Third Proportional to 209,182.50 and 332,424

Step by Step Solution

1. Step 1: Write the proportion equation
   209,182.50 : 332,424 = 332,424 : x
2. Step 2: Convert to fraction form
   209,182.50/332,424 = 332,424/x
3. Step 3: Cross multiply
   209,182.50x = 332,424 × 332,424
4. Step 4: Simplify right side
   209,182.50x = 110,505,715,776
5. Step 5: Solve for x
   x = 110,505,715,776/209,182.50
6. Step 6: Final answer
   x = 528,274.19