Finding the Third Proportional to 227,350.50 and 355,605

Step by Step Solution

1. Step 1: Write the proportion equation
   227,350.50 : 355,605 = 355,605 : x
2. Step 2: Convert to fraction form
   227,350.50/355,605 = 355,605/x
3. Step 3: Cross multiply
   227,350.50x = 355,605 × 355,605
4. Step 4: Simplify right side
   227,350.50x = 126,454,916,025
5. Step 5: Solve for x
   x = 126,454,916,025/227,350.50
6. Step 6: Final answer
   x = 556,211.30