Finding the Third Proportional to 227,272 and 336,505.50

Step by Step Solution

1. Step 1: Write the proportion equation
   227,272 : 336,505.50 = 336,505.50 : x
2. Step 2: Convert to fraction form
   227,272/336,505.50 = 336,505.50/x
3. Step 3: Cross multiply
   227,272x = 336,505.50 × 336,505.50
4. Step 4: Simplify right side
   227,272x = 113,235,951,530.25
5. Step 5: Solve for x
   x = 113,235,951,530.25/227,272
6. Step 6: Final answer
   x = 498,239.78