Finding the Third Proportional to 81,661.50 and 110,826

Step by Step Solution

1. Step 1: Write the proportion equation
   81,661.50 : 110,826 = 110,826 : x
2. Step 2: Convert to fraction form
   81,661.50/110,826 = 110,826/x
3. Step 3: Cross multiply
   81,661.50x = 110,826 × 110,826
4. Step 4: Simplify right side
   81,661.50x = 12,282,402,276
5. Step 5: Solve for x
   x = 12,282,402,276/81,661.50
6. Step 6: Final answer
   x = 150,406.28