Finding the Third Proportional to 105,950 and 220,612

Step by Step Solution

1. Step 1: Write the proportion equation
   105,950 : 220,612 = 220,612 : x
2. Step 2: Convert to fraction form
   105,950/220,612 = 220,612/x
3. Step 3: Cross multiply
   105,950x = 220,612 × 220,612
4. Step 4: Simplify right side
   105,950x = 48,669,654,544
5. Step 5: Solve for x
   x = 48,669,654,544/105,950
6. Step 6: Final answer
   x = 459,364.37