Finding the Third Proportional to 71,942.50 and 111,708

Step by Step Solution

1. Step 1: Write the proportion equation
   71,942.50 : 111,708 = 111,708 : x
2. Step 2: Convert to fraction form
   71,942.50/111,708 = 111,708/x
3. Step 3: Cross multiply
   71,942.50x = 111,708 × 111,708
4. Step 4: Simplify right side
   71,942.50x = 12,478,677,264
5. Step 5: Solve for x
   x = 12,478,677,264/71,942.50
6. Step 6: Final answer
   x = 173,453.48