Finding the Third Proportional to 227,347 and 339,616.50

Step by Step Solution

1. Step 1: Write the proportion equation
   227,347 : 339,616.50 = 339,616.50 : x
2. Step 2: Convert to fraction form
   227,347/339,616.50 = 339,616.50/x
3. Step 3: Cross multiply
   227,347x = 339,616.50 × 339,616.50
4. Step 4: Simplify right side
   227,347x = 115,339,367,072.25
5. Step 5: Solve for x
   x = 115,339,367,072.25/227,347
6. Step 6: Final answer
   x = 507,327.42