Finding the Third Proportional to 111,908.50 and 173,536

Step by Step Solution

1. Step 1: Write the proportion equation
   111,908.50 : 173,536 = 173,536 : x
2. Step 2: Convert to fraction form
   111,908.50/173,536 = 173,536/x
3. Step 3: Cross multiply
   111,908.50x = 173,536 × 173,536
4. Step 4: Simplify right side
   111,908.50x = 30,114,743,296
5. Step 5: Solve for x
   x = 30,114,743,296/111,908.50
6. Step 6: Final answer
   x = 269,101.48