Finding the Third Proportional to 81,613.83 and 126,111.30

Step by Step Solution

1. Step 1: Write the proportion equation
   81,613.83 : 126,111.30 = 126,111.30 : x
2. Step 2: Convert to fraction form
   81,613.83/126,111.30 = 126,111.30/x
3. Step 3: Cross multiply
   81,613.83x = 126,111.30 × 126,111.30
4. Step 4: Simplify right side
   81,613.83x = 15,904,061,169.98
5. Step 5: Solve for x
   x = 15,904,061,169.98/81,613.83
6. Step 6: Final answer
   x = 194,869.69