Finding the Third Proportional to 81,110 and 108,495.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,110 : 108,495.50 = 108,495.50 : x
2. Step 2: Convert to fraction form
   81,110/108,495.50 = 108,495.50/x
3. Step 3: Cross multiply
   81,110x = 108,495.50 × 108,495.50
4. Step 4: Simplify right side
   81,110x = 11,771,273,520.25
5. Step 5: Solve for x
   x = 11,771,273,520.25/81,110
6. Step 6: Final answer
   x = 145,127.28