Finding the Third Proportional to 72,668 and 111,112

Step by Step Solution

1. Step 1: Write the proportion equation
   72,668 : 111,112 = 111,112 : x
2. Step 2: Convert to fraction form
   72,668/111,112 = 111,112/x
3. Step 3: Cross multiply
   72,668x = 111,112 × 111,112
4. Step 4: Simplify right side
   72,668x = 12,345,876,544
5. Step 5: Solve for x
   x = 12,345,876,544/72,668
6. Step 6: Final answer
   x = 169,894.27