Finding the Third Proportional to 105,359.50 and 228,215

Step by Step Solution

1. Step 1: Write the proportion equation
   105,359.50 : 228,215 = 228,215 : x
2. Step 2: Convert to fraction form
   105,359.50/228,215 = 228,215/x
3. Step 3: Cross multiply
   105,359.50x = 228,215 × 228,215
4. Step 4: Simplify right side
   105,359.50x = 52,082,086,225
5. Step 5: Solve for x
   x = 52,082,086,225/105,359.50
6. Step 6: Final answer
   x = 494,327.39