Finding the Third Proportional to 71,227 and 110,728.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,227 : 110,728.50 = 110,728.50 : x
2. Step 2: Convert to fraction form
   71,227/110,728.50 = 110,728.50/x
3. Step 3: Cross multiply
   71,227x = 110,728.50 × 110,728.50
4. Step 4: Simplify right side
   71,227x = 12,260,800,712.25
5. Step 5: Solve for x
   x = 12,260,800,712.25/71,227
6. Step 6: Final answer
   x = 172,136.98