Finding the Third Proportional to 105,850.50 and 228,318

Step by Step Solution

1. Step 1: Write the proportion equation
   105,850.50 : 228,318 = 228,318 : x
2. Step 2: Convert to fraction form
   105,850.50/228,318 = 228,318/x
3. Step 3: Cross multiply
   105,850.50x = 228,318 × 228,318
4. Step 4: Simplify right side
   105,850.50x = 52,129,109,124
5. Step 5: Solve for x
   x = 52,129,109,124/105,850.50
6. Step 6: Final answer
   x = 492,478.63