Finding the Third Proportional to 113,416.50 and 238,443

Step by Step Solution

1. Step 1: Write the proportion equation
   113,416.50 : 238,443 = 238,443 : x
2. Step 2: Convert to fraction form
   113,416.50/238,443 = 238,443/x
3. Step 3: Cross multiply
   113,416.50x = 238,443 × 238,443
4. Step 4: Simplify right side
   113,416.50x = 56,855,064,249
5. Step 5: Solve for x
   x = 56,855,064,249/113,416.50
6. Step 6: Final answer
   x = 501,294.47