Finding the Third Proportional to 269,812 and 404,742

Step by Step Solution

1. Step 1: Write the proportion equation
   269,812 : 404,742 = 404,742 : x
2. Step 2: Convert to fraction form
   269,812/404,742 = 404,742/x
3. Step 3: Cross multiply
   269,812x = 404,742 × 404,742
4. Step 4: Simplify right side
   269,812x = 163,816,086,564
5. Step 5: Solve for x
   x = 163,816,086,564/269,812
6. Step 6: Final answer
   x = 607,149.00