Finding the Third Proportional to 105,531 and 221,995.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,531 : 221,995.50 = 221,995.50 : x
2. Step 2: Convert to fraction form
   105,531/221,995.50 = 221,995.50/x
3. Step 3: Cross multiply
   105,531x = 221,995.50 × 221,995.50
4. Step 4: Simplify right side
   105,531x = 49,282,002,020.25
5. Step 5: Solve for x
   x = 49,282,002,020.25/105,531
6. Step 6: Final answer
   x = 466,990.76