Finding the Third Proportional to 81,693.56 and 126,162.56

Step by Step Solution

1. Step 1: Write the proportion equation
   81,693.56 : 126,162.56 = 126,162.56 : x
2. Step 2: Convert to fraction form
   81,693.56/126,162.56 = 126,162.56/x
3. Step 3: Cross multiply
   81,693.56x = 126,162.56 × 126,162.56
4. Step 4: Simplify right side
   81,693.56x = 15,916,992,176.57
5. Step 5: Solve for x
   x = 15,916,992,176.57/81,693.56
6. Step 6: Final answer
   x = 194,837.78