Finding the Third Proportional to 113,440.50 and 238,491

Step by Step Solution

1. Step 1: Write the proportion equation
   113,440.50 : 238,491 = 238,491 : x
2. Step 2: Convert to fraction form
   113,440.50/238,491 = 238,491/x
3. Step 3: Cross multiply
   113,440.50x = 238,491 × 238,491
4. Step 4: Simplify right side
   113,440.50x = 56,877,957,081
5. Step 5: Solve for x
   x = 56,877,957,081/113,440.50
6. Step 6: Final answer
   x = 501,390.22