Finding the Third Proportional to 86,061 and 131,559

Step by Step Solution

1. Step 1: Write the proportion equation
   86,061 : 131,559 = 131,559 : x
2. Step 2: Convert to fraction form
   86,061/131,559 = 131,559/x
3. Step 3: Cross multiply
   86,061x = 131,559 × 131,559
4. Step 4: Simplify right side
   86,061x = 17,307,770,481
5. Step 5: Solve for x
   x = 17,307,770,481/86,061
6. Step 6: Final answer
   x = 201,110.50