Finding the Third Proportional to 221,450 and 480,412

Step by Step Solution

1. Step 1: Write the proportion equation
   221,450 : 480,412 = 480,412 : x
2. Step 2: Convert to fraction form
   221,450/480,412 = 480,412/x
3. Step 3: Cross multiply
   221,450x = 480,412 × 480,412
4. Step 4: Simplify right side
   221,450x = 230,795,689,744
5. Step 5: Solve for x
   x = 230,795,689,744/221,450
6. Step 6: Final answer
   x = 1,042,202.26