Finding the Third Proportional to 269,048 and 404,211

Step by Step Solution

1. Step 1: Write the proportion equation
   269,048 : 404,211 = 404,211 : x
2. Step 2: Convert to fraction form
   269,048/404,211 = 404,211/x
3. Step 3: Cross multiply
   269,048x = 404,211 × 404,211
4. Step 4: Simplify right side
   269,048x = 163,386,532,521
5. Step 5: Solve for x
   x = 163,386,532,521/269,048
6. Step 6: Final answer
   x = 607,276.52