Finding the Third Proportional to 269,192 and 404,436

Step by Step Solution

1. Step 1: Write the proportion equation
   269,192 : 404,436 = 404,436 : x
2. Step 2: Convert to fraction form
   269,192/404,436 = 404,436/x
3. Step 3: Cross multiply
   269,192x = 404,436 × 404,436
4. Step 4: Simplify right side
   269,192x = 163,568,478,096
5. Step 5: Solve for x
   x = 163,568,478,096/269,192
6. Step 6: Final answer
   x = 607,627.56