Finding the Third Proportional to 10,173.75 and 11,179.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,173.75 : 11,179.50 = 11,179.50 : x
2. Step 2: Convert to fraction form
   10,173.75/11,179.50 = 11,179.50/x
3. Step 3: Cross multiply
   10,173.75x = 11,179.50 × 11,179.50
4. Step 4: Simplify right side
   10,173.75x = 124,981,220.25
5. Step 5: Solve for x
   x = 124,981,220.25/10,173.75
6. Step 6: Final answer
   x = 12,284.68