Finding the Third Proportional to 113,426 and 238,460

Step by Step Solution

1. Step 1: Write the proportion equation
   113,426 : 238,460 = 238,460 : x
2. Step 2: Convert to fraction form
   113,426/238,460 = 238,460/x
3. Step 3: Cross multiply
   113,426x = 238,460 × 238,460
4. Step 4: Simplify right side
   113,426x = 56,863,171,600
5. Step 5: Solve for x
   x = 56,863,171,600/113,426
6. Step 6: Final answer
   x = 501,323.96