Finding the Third Proportional to 81,900 and 110,055

Step by Step Solution

1. Step 1: Write the proportion equation
   81,900 : 110,055 = 110,055 : x
2. Step 2: Convert to fraction form
   81,900/110,055 = 110,055/x
3. Step 3: Cross multiply
   81,900x = 110,055 × 110,055
4. Step 4: Simplify right side
   81,900x = 12,112,103,025
5. Step 5: Solve for x
   x = 12,112,103,025/81,900
6. Step 6: Final answer
   x = 147,888.93