Finding the Third Proportional to 73,720.50 and 111,198

Step by Step Solution

1. Step 1: Write the proportion equation
   73,720.50 : 111,198 = 111,198 : x
2. Step 2: Convert to fraction form
   73,720.50/111,198 = 111,198/x
3. Step 3: Cross multiply
   73,720.50x = 111,198 × 111,198
4. Step 4: Simplify right side
   73,720.50x = 12,364,995,204
5. Step 5: Solve for x
   x = 12,364,995,204/73,720.50
6. Step 6: Final answer
   x = 167,728.04