Finding the Third Proportional to 302,048 and 423,404

Step by Step Solution

1. Step 1: Write the proportion equation
   302,048 : 423,404 = 423,404 : x
2. Step 2: Convert to fraction form
   302,048/423,404 = 423,404/x
3. Step 3: Cross multiply
   302,048x = 423,404 × 423,404
4. Step 4: Simplify right side
   302,048x = 179,270,947,216
5. Step 5: Solve for x
   x = 179,270,947,216/302,048
6. Step 6: Final answer
   x = 593,518.07