Finding the Third Proportional to 105,944 and 220,600

Step by Step Solution

1. Step 1: Write the proportion equation
   105,944 : 220,600 = 220,600 : x
2. Step 2: Convert to fraction form
   105,944/220,600 = 220,600/x
3. Step 3: Cross multiply
   105,944x = 220,600 × 220,600
4. Step 4: Simplify right side
   105,944x = 48,664,360,000
5. Step 5: Solve for x
   x = 48,664,360,000/105,944
6. Step 6: Final answer
   x = 459,340.41