Finding the Third Proportional to 113,425 and 238,459

Step by Step Solution

1. Step 1: Write the proportion equation
   113,425 : 238,459 = 238,459 : x
2. Step 2: Convert to fraction form
   113,425/238,459 = 238,459/x
3. Step 3: Cross multiply
   113,425x = 238,459 × 238,459
4. Step 4: Simplify right side
   113,425x = 56,862,694,681
5. Step 5: Solve for x
   x = 56,862,694,681/113,425
6. Step 6: Final answer
   x = 501,324.18