Finding the Third Proportional to 72,448 and 111,941

Step by Step Solution

1. Step 1: Write the proportion equation
   72,448 : 111,941 = 111,941 : x
2. Step 2: Convert to fraction form
   72,448/111,941 = 111,941/x
3. Step 3: Cross multiply
   72,448x = 111,941 × 111,941
4. Step 4: Simplify right side
   72,448x = 12,530,787,481
5. Step 5: Solve for x
   x = 12,530,787,481/72,448
6. Step 6: Final answer
   x = 172,962.50