Finding the Third Proportional to 113,443 and 238,495

Step by Step Solution

1. Step 1: Write the proportion equation
   113,443 : 238,495 = 238,495 : x
2. Step 2: Convert to fraction form
   113,443/238,495 = 238,495/x
3. Step 3: Cross multiply
   113,443x = 238,495 × 238,495
4. Step 4: Simplify right side
   113,443x = 56,879,865,025
5. Step 5: Solve for x
   x = 56,879,865,025/113,443
6. Step 6: Final answer
   x = 501,395.99