Finding the Third Proportional to 220,996.50 and 483,789

Step by Step Solution

1. Step 1: Write the proportion equation
   220,996.50 : 483,789 = 483,789 : x
2. Step 2: Convert to fraction form
   220,996.50/483,789 = 483,789/x
3. Step 3: Cross multiply
   220,996.50x = 483,789 × 483,789
4. Step 4: Simplify right side
   220,996.50x = 234,051,796,521
5. Step 5: Solve for x
   x = 234,051,796,521/220,996.50
6. Step 6: Final answer
   x = 1,059,074.68