Finding the Third Proportional to 113,574 and 238,918

Step by Step Solution

1. Step 1: Write the proportion equation
   113,574 : 238,918 = 238,918 : x
2. Step 2: Convert to fraction form
   113,574/238,918 = 238,918/x
3. Step 3: Cross multiply
   113,574x = 238,918 × 238,918
4. Step 4: Simplify right side
   113,574x = 57,081,810,724
5. Step 5: Solve for x
   x = 57,081,810,724/113,574
6. Step 6: Final answer
   x = 502,595.76