Finding the Third Proportional to 108,728 and 230,524

Step by Step Solution

1. Step 1: Write the proportion equation
   108,728 : 230,524 = 230,524 : x
2. Step 2: Convert to fraction form
   108,728/230,524 = 230,524/x
3. Step 3: Cross multiply
   108,728x = 230,524 × 230,524
4. Step 4: Simplify right side
   108,728x = 53,141,314,576
5. Step 5: Solve for x
   x = 53,141,314,576/108,728
6. Step 6: Final answer
   x = 488,754.64