Finding the Third Proportional to 85,810 and 131,268

Step by Step Solution

1. Step 1: Write the proportion equation
   85,810 : 131,268 = 131,268 : x
2. Step 2: Convert to fraction form
   85,810/131,268 = 131,268/x
3. Step 3: Cross multiply
   85,810x = 131,268 × 131,268
4. Step 4: Simplify right side
   85,810x = 17,231,287,824
5. Step 5: Solve for x
   x = 17,231,287,824/85,810
6. Step 6: Final answer
   x = 200,807.46