Finding the Third Proportional to 221,561 and 483,222

Step by Step Solution

1. Step 1: Write the proportion equation
   221,561 : 483,222 = 483,222 : x
2. Step 2: Convert to fraction form
   221,561/483,222 = 483,222/x
3. Step 3: Cross multiply
   221,561x = 483,222 × 483,222
4. Step 4: Simplify right side
   221,561x = 233,503,501,284
5. Step 5: Solve for x
   x = 233,503,501,284/221,561
6. Step 6: Final answer
   x = 1,053,901.64