Finding the Third Proportional to 81,570.38 and 126,054.56

Step by Step Solution

1. Step 1: Write the proportion equation
   81,570.38 : 126,054.56 = 126,054.56 : x
2. Step 2: Convert to fraction form
   81,570.38/126,054.56 = 126,054.56/x
3. Step 3: Cross multiply
   81,570.38x = 126,054.56 × 126,054.56
4. Step 4: Simplify right side
   81,570.38x = 15,889,752,727.07
5. Step 5: Solve for x
   x = 15,889,752,727.07/81,570.38
6. Step 6: Final answer
   x = 194,798.08