Finding the Third Proportional to 221,820 and 481,008

Step by Step Solution

1. Step 1: Write the proportion equation
   221,820 : 481,008 = 481,008 : x
2. Step 2: Convert to fraction form
   221,820/481,008 = 481,008/x
3. Step 3: Cross multiply
   221,820x = 481,008 × 481,008
4. Step 4: Simplify right side
   221,820x = 231,368,696,064
5. Step 5: Solve for x
   x = 231,368,696,064/221,820
6. Step 6: Final answer
   x = 1,043,047.05