Finding the Third Proportional to 113,717 and 245,530

Step by Step Solution

1. Step 1: Write the proportion equation
   113,717 : 245,530 = 245,530 : x
2. Step 2: Convert to fraction form
   113,717/245,530 = 245,530/x
3. Step 3: Cross multiply
   113,717x = 245,530 × 245,530
4. Step 4: Simplify right side
   113,717x = 60,284,980,900
5. Step 5: Solve for x
   x = 60,284,980,900/113,717
6. Step 6: Final answer
   x = 530,131.65