Finding the Third Proportional to 105,245.25 and 225,435

Step by Step Solution

1. Step 1: Write the proportion equation
   105,245.25 : 225,435 = 225,435 : x
2. Step 2: Convert to fraction form
   105,245.25/225,435 = 225,435/x
3. Step 3: Cross multiply
   105,245.25x = 225,435 × 225,435
4. Step 4: Simplify right side
   105,245.25x = 50,820,939,225
5. Step 5: Solve for x
   x = 50,820,939,225/105,245.25
6. Step 6: Final answer
   x = 482,881.07