Finding the Third Proportional to 85,722 and 131,843

Step by Step Solution

1. Step 1: Write the proportion equation
   85,722 : 131,843 = 131,843 : x
2. Step 2: Convert to fraction form
   85,722/131,843 = 131,843/x
3. Step 3: Cross multiply
   85,722x = 131,843 × 131,843
4. Step 4: Simplify right side
   85,722x = 17,382,576,649
5. Step 5: Solve for x
   x = 17,382,576,649/85,722
6. Step 6: Final answer
   x = 202,778.48