Finding the Third Proportional to 105,640.50 and 226,653

Step by Step Solution

1. Step 1: Write the proportion equation
   105,640.50 : 226,653 = 226,653 : x
2. Step 2: Convert to fraction form
   105,640.50/226,653 = 226,653/x
3. Step 3: Cross multiply
   105,640.50x = 226,653 × 226,653
4. Step 4: Simplify right side
   105,640.50x = 51,371,582,409
5. Step 5: Solve for x
   x = 51,371,582,409/105,640.50
6. Step 6: Final answer
   x = 486,286.82