Finding the Third Proportional to 111,967.50 and 173,361

Step by Step Solution

1. Step 1: Write the proportion equation
   111,967.50 : 173,361 = 173,361 : x
2. Step 2: Convert to fraction form
   111,967.50/173,361 = 173,361/x
3. Step 3: Cross multiply
   111,967.50x = 173,361 × 173,361
4. Step 4: Simplify right side
   111,967.50x = 30,054,036,321
5. Step 5: Solve for x
   x = 30,054,036,321/111,967.50
6. Step 6: Final answer
   x = 268,417.50