Finding the Third Proportional to 221,884 and 486,004

Step by Step Solution

1. Step 1: Write the proportion equation
   221,884 : 486,004 = 486,004 : x
2. Step 2: Convert to fraction form
   221,884/486,004 = 486,004/x
3. Step 3: Cross multiply
   221,884x = 486,004 × 486,004
4. Step 4: Simplify right side
   221,884x = 236,199,888,016
5. Step 5: Solve for x
   x = 236,199,888,016/221,884
6. Step 6: Final answer
   x = 1,064,519.70