Finding the Third Proportional to 72,628 and 111,054

Step by Step Solution

1. Step 1: Write the proportion equation
   72,628 : 111,054 = 111,054 : x
2. Step 2: Convert to fraction form
   72,628/111,054 = 111,054/x
3. Step 3: Cross multiply
   72,628x = 111,054 × 111,054
4. Step 4: Simplify right side
   72,628x = 12,332,990,916
5. Step 5: Solve for x
   x = 12,332,990,916/72,628
6. Step 6: Final answer
   x = 169,810.42