Finding the Third Proportional to 297,684 and 404,230

Step by Step Solution

1. Step 1: Write the proportion equation
   297,684 : 404,230 = 404,230 : x
2. Step 2: Convert to fraction form
   297,684/404,230 = 404,230/x
3. Step 3: Cross multiply
   297,684x = 404,230 × 404,230
4. Step 4: Simplify right side
   297,684x = 163,401,892,900
5. Step 5: Solve for x
   x = 163,401,892,900/297,684
6. Step 6: Final answer
   x = 548,910.57