Finding the Third Proportional to 81,056 and 126,504

Step by Step Solution

1. Step 1: Write the proportion equation
   81,056 : 126,504 = 126,504 : x
2. Step 2: Convert to fraction form
   81,056/126,504 = 126,504/x
3. Step 3: Cross multiply
   81,056x = 126,504 × 126,504
4. Step 4: Simplify right side
   81,056x = 16,003,262,016
5. Step 5: Solve for x
   x = 16,003,262,016/81,056
6. Step 6: Final answer
   x = 197,434.64