Finding the Third Proportional to 72,180 and 111,088

Step by Step Solution

1. Step 1: Write the proportion equation
   72,180 : 111,088 = 111,088 : x
2. Step 2: Convert to fraction form
   72,180/111,088 = 111,088/x
3. Step 3: Cross multiply
   72,180x = 111,088 × 111,088
4. Step 4: Simplify right side
   72,180x = 12,340,543,744
5. Step 5: Solve for x
   x = 12,340,543,744/72,180
6. Step 6: Final answer
   x = 170,969.02