Finding the Third Proportional to 221,554 and 483,208

Step by Step Solution

1. Step 1: Write the proportion equation
   221,554 : 483,208 = 483,208 : x
2. Step 2: Convert to fraction form
   221,554/483,208 = 483,208/x
3. Step 3: Cross multiply
   221,554x = 483,208 × 483,208
4. Step 4: Simplify right side
   221,554x = 233,489,971,264
5. Step 5: Solve for x
   x = 233,489,971,264/221,554
6. Step 6: Final answer
   x = 1,053,873.87