Finding the Third Proportional to 8,755.88 and 13,142.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,755.88 : 13,142.81 = 13,142.81 : x
2. Step 2: Convert to fraction form
   8,755.88/13,142.81 = 13,142.81/x
3. Step 3: Cross multiply
   8,755.88x = 13,142.81 × 13,142.81
4. Step 4: Simplify right side
   8,755.88x = 172,733,520.41
5. Step 5: Solve for x
   x = 172,733,520.41/8,755.88
6. Step 6: Final answer
   x = 19,727.73