Finding the Third Proportional to 221,538 and 474,576

Step by Step Solution

1. Step 1: Write the proportion equation
   221,538 : 474,576 = 474,576 : x
2. Step 2: Convert to fraction form
   221,538/474,576 = 474,576/x
3. Step 3: Cross multiply
   221,538x = 474,576 × 474,576
4. Step 4: Simplify right side
   221,538x = 225,222,379,776
5. Step 5: Solve for x
   x = 225,222,379,776/221,538
6. Step 6: Final answer
   x = 1,016,630.92