Finding the Third Proportional to 113,120 and 245,728

Step by Step Solution

1. Step 1: Write the proportion equation
   113,120 : 245,728 = 245,728 : x
2. Step 2: Convert to fraction form
   113,120/245,728 = 245,728/x
3. Step 3: Cross multiply
   113,120x = 245,728 × 245,728
4. Step 4: Simplify right side
   113,120x = 60,382,249,984
5. Step 5: Solve for x
   x = 60,382,249,984/113,120
6. Step 6: Final answer
   x = 533,789.34