Finding the Third Proportional to 221,626 and 480,404

Step by Step Solution

1. Step 1: Write the proportion equation
   221,626 : 480,404 = 480,404 : x
2. Step 2: Convert to fraction form
   221,626/480,404 = 480,404/x
3. Step 3: Cross multiply
   221,626x = 480,404 × 480,404
4. Step 4: Simplify right side
   221,626x = 230,788,003,216
5. Step 5: Solve for x
   x = 230,788,003,216/221,626
6. Step 6: Final answer
   x = 1,041,339.93