Finding the Third Proportional to 209,595 and 296,287.88

Step by Step Solution

1. Step 1: Write the proportion equation
   209,595 : 296,287.88 = 296,287.88 : x
2. Step 2: Convert to fraction form
   209,595/296,287.88 = 296,287.88/x
3. Step 3: Cross multiply
   209,595x = 296,287.88 × 296,287.88
4. Step 4: Simplify right side
   209,595x = 87,786,504,872.02
5. Step 5: Solve for x
   x = 87,786,504,872.02/209,595
6. Step 6: Final answer
   x = 418,838.74