Finding the Third Proportional to 220,583.25 and 483,219

Step by Step Solution

1. Step 1: Write the proportion equation
   220,583.25 : 483,219 = 483,219 : x
2. Step 2: Convert to fraction form
   220,583.25/483,219 = 483,219/x
3. Step 3: Cross multiply
   220,583.25x = 483,219 × 483,219
4. Step 4: Simplify right side
   220,583.25x = 233,500,601,961
5. Step 5: Solve for x
   x = 233,500,601,961/220,583.25
6. Step 6: Final answer
   x = 1,058,559.99