Finding the Third Proportional to 113,168.25 and 235,638

Step by Step Solution

1. Step 1: Write the proportion equation
   113,168.25 : 235,638 = 235,638 : x
2. Step 2: Convert to fraction form
   113,168.25/235,638 = 235,638/x
3. Step 3: Cross multiply
   113,168.25x = 235,638 × 235,638
4. Step 4: Simplify right side
   113,168.25x = 55,525,267,044
5. Step 5: Solve for x
   x = 55,525,267,044/113,168.25
6. Step 6: Final answer
   x = 490,643.51