Finding the Third Proportional to 269,435 and 404,151

Step by Step Solution

1. Step 1: Write the proportion equation
   269,435 : 404,151 = 404,151 : x
2. Step 2: Convert to fraction form
   269,435/404,151 = 404,151/x
3. Step 3: Cross multiply
   269,435x = 404,151 × 404,151
4. Step 4: Simplify right side
   269,435x = 163,338,030,801
5. Step 5: Solve for x
   x = 163,338,030,801/269,435
6. Step 6: Final answer
   x = 606,224.25