Finding the Third Proportional to 228,582 and 336,243.38

Step by Step Solution

1. Step 1: Write the proportion equation
   228,582 : 336,243.38 = 336,243.38 : x
2. Step 2: Convert to fraction form
   228,582/336,243.38 = 336,243.38/x
3. Step 3: Cross multiply
   228,582x = 336,243.38 × 336,243.38
4. Step 4: Simplify right side
   228,582x = 113,059,607,231.39
5. Step 5: Solve for x
   x = 113,059,607,231.39/228,582
6. Step 6: Final answer
   x = 494,612.91