Finding the Third Proportional to 105,981.75 and 227,318.06

Step by Step Solution

1. Step 1: Write the proportion equation
   105,981.75 : 227,318.06 = 227,318.06 : x
2. Step 2: Convert to fraction form
   105,981.75/227,318.06 = 227,318.06/x
3. Step 3: Cross multiply
   105,981.75x = 227,318.06 × 227,318.06
4. Step 4: Simplify right side
   105,981.75x = 51,673,501,538.75
5. Step 5: Solve for x
   x = 51,673,501,538.75/105,981.75
6. Step 6: Final answer
   x = 487,569.81