Finding the Third Proportional to 227,578.50 and 327,819

Step by Step Solution

1. Step 1: Write the proportion equation
   227,578.50 : 327,819 = 327,819 : x
2. Step 2: Convert to fraction form
   227,578.50/327,819 = 327,819/x
3. Step 3: Cross multiply
   227,578.50x = 327,819 × 327,819
4. Step 4: Simplify right side
   227,578.50x = 107,465,296,761
5. Step 5: Solve for x
   x = 107,465,296,761/227,578.50
6. Step 6: Final answer
   x = 472,211.99