Finding the Third Proportional to 81,116 and 108,504

Step by Step Solution

1. Step 1: Write the proportion equation
   81,116 : 108,504 = 108,504 : x
2. Step 2: Convert to fraction form
   81,116/108,504 = 108,504/x
3. Step 3: Cross multiply
   81,116x = 108,504 × 108,504
4. Step 4: Simplify right side
   81,116x = 11,773,118,016
5. Step 5: Solve for x
   x = 11,773,118,016/81,116
6. Step 6: Final answer
   x = 145,139.28