Finding the Third Proportional to 73,720 and 111,191

Step by Step Solution

1. Step 1: Write the proportion equation
   73,720 : 111,191 = 111,191 : x
2. Step 2: Convert to fraction form
   73,720/111,191 = 111,191/x
3. Step 3: Cross multiply
   73,720x = 111,191 × 111,191
4. Step 4: Simplify right side
   73,720x = 12,363,438,481
5. Step 5: Solve for x
   x = 12,363,438,481/73,720
6. Step 6: Final answer
   x = 167,708.06