Finding the Third Proportional to 113,449 and 238,508

Step by Step Solution

1. Step 1: Write the proportion equation
   113,449 : 238,508 = 238,508 : x
2. Step 2: Convert to fraction form
   113,449/238,508 = 238,508/x
3. Step 3: Cross multiply
   113,449x = 238,508 × 238,508
4. Step 4: Simplify right side
   113,449x = 56,886,066,064
5. Step 5: Solve for x
   x = 56,886,066,064/113,449
6. Step 6: Final answer
   x = 501,424.13