Finding the Third Proportional to 71,364 and 111,131

Step by Step Solution

1. Step 1: Write the proportion equation
   71,364 : 111,131 = 111,131 : x
2. Step 2: Convert to fraction form
   71,364/111,131 = 111,131/x
3. Step 3: Cross multiply
   71,364x = 111,131 × 111,131
4. Step 4: Simplify right side
   71,364x = 12,350,099,161
5. Step 5: Solve for x
   x = 12,350,099,161/71,364
6. Step 6: Final answer
   x = 173,057.83