Finding the Third Proportional to 113,942.25 and 245,414.25

Step by Step Solution

1. Step 1: Write the proportion equation
   113,942.25 : 245,414.25 = 245,414.25 : x
2. Step 2: Convert to fraction form
   113,942.25/245,414.25 = 245,414.25/x
3. Step 3: Cross multiply
   113,942.25x = 245,414.25 × 245,414.25
4. Step 4: Simplify right side
   113,942.25x = 60,228,154,103.06
5. Step 5: Solve for x
   x = 60,228,154,103.06/113,942.25
6. Step 6: Final answer
   x = 528,584.91