Finding the Third Proportional to 221,557.50 and 483,723

Step by Step Solution

1. Step 1: Write the proportion equation
   221,557.50 : 483,723 = 483,723 : x
2. Step 2: Convert to fraction form
   221,557.50/483,723 = 483,723/x
3. Step 3: Cross multiply
   221,557.50x = 483,723 × 483,723
4. Step 4: Simplify right side
   221,557.50x = 233,987,940,729
5. Step 5: Solve for x
   x = 233,987,940,729/221,557.50
6. Step 6: Final answer
   x = 1,056,104.81