Finding the Third Proportional to 16,711.31 and 36,131.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,711.31 : 36,131.06 = 36,131.06 : x
2. Step 2: Convert to fraction form
   16,711.31/36,131.06 = 36,131.06/x
3. Step 3: Cross multiply
   16,711.31x = 36,131.06 × 36,131.06
4. Step 4: Simplify right side
   16,711.31x = 1,305,453,677.38
5. Step 5: Solve for x
   x = 1,305,453,677.38/16,711.31
6. Step 6: Final answer
   x = 78,117.96