Finding the Third Proportional to 269,433 and 404,148

Step by Step Solution

1. Step 1: Write the proportion equation
   269,433 : 404,148 = 404,148 : x
2. Step 2: Convert to fraction form
   269,433/404,148 = 404,148/x
3. Step 3: Cross multiply
   269,433x = 404,148 × 404,148
4. Step 4: Simplify right side
   269,433x = 163,335,605,904
5. Step 5: Solve for x
   x = 163,335,605,904/269,433
6. Step 6: Final answer
   x = 606,219.75