Finding the Third Proportional to 221,738 and 474,976

Step by Step Solution

1. Step 1: Write the proportion equation
   221,738 : 474,976 = 474,976 : x
2. Step 2: Convert to fraction form
   221,738/474,976 = 474,976/x
3. Step 3: Cross multiply
   221,738x = 474,976 × 474,976
4. Step 4: Simplify right side
   221,738x = 225,602,200,576
5. Step 5: Solve for x
   x = 225,602,200,576/221,738
6. Step 6: Final answer
   x = 1,017,426.88