Finding the Third Proportional to 71,375 and 111,015

Step by Step Solution

1. Step 1: Write the proportion equation
   71,375 : 111,015 = 111,015 : x
2. Step 2: Convert to fraction form
   71,375/111,015 = 111,015/x
3. Step 3: Cross multiply
   71,375x = 111,015 × 111,015
4. Step 4: Simplify right side
   71,375x = 12,324,330,225
5. Step 5: Solve for x
   x = 12,324,330,225/71,375
6. Step 6: Final answer
   x = 172,670.13