Finding the Third Proportional to 103,505.25 and 221,766

Step by Step Solution

1. Step 1: Write the proportion equation
   103,505.25 : 221,766 = 221,766 : x
2. Step 2: Convert to fraction form
   103,505.25/221,766 = 221,766/x
3. Step 3: Cross multiply
   103,505.25x = 221,766 × 221,766
4. Step 4: Simplify right side
   103,505.25x = 49,180,158,756
5. Step 5: Solve for x
   x = 49,180,158,756/103,505.25
6. Step 6: Final answer
   x = 475,146.51