Finding the Third Proportional to 86,926 and 131,608

Step by Step Solution

1. Step 1: Write the proportion equation
   86,926 : 131,608 = 131,608 : x
2. Step 2: Convert to fraction form
   86,926/131,608 = 131,608/x
3. Step 3: Cross multiply
   86,926x = 131,608 × 131,608
4. Step 4: Simplify right side
   86,926x = 17,320,665,664
5. Step 5: Solve for x
   x = 17,320,665,664/86,926
6. Step 6: Final answer
   x = 199,257.59