Finding the Third Proportional to 221,804 and 484,654

Step by Step Solution

1. Step 1: Write the proportion equation
   221,804 : 484,654 = 484,654 : x
2. Step 2: Convert to fraction form
   221,804/484,654 = 484,654/x
3. Step 3: Cross multiply
   221,804x = 484,654 × 484,654
4. Step 4: Simplify right side
   221,804x = 234,889,499,716
5. Step 5: Solve for x
   x = 234,889,499,716/221,804
6. Step 6: Final answer
   x = 1,058,995.78