Finding the Third Proportional to 113,664 and 239,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,664 : 239,113.50 = 239,113.50 : x
2. Step 2: Convert to fraction form
   113,664/239,113.50 = 239,113.50/x
3. Step 3: Cross multiply
   113,664x = 239,113.50 × 239,113.50
4. Step 4: Simplify right side
   113,664x = 57,175,265,882.25
5. Step 5: Solve for x
   x = 57,175,265,882.25/113,664
6. Step 6: Final answer
   x = 503,020.01