Finding the Third Proportional to 86,071.50 and 131,571

Step by Step Solution

1. Step 1: Write the proportion equation
   86,071.50 : 131,571 = 131,571 : x
2. Step 2: Convert to fraction form
   86,071.50/131,571 = 131,571/x
3. Step 3: Cross multiply
   86,071.50x = 131,571 × 131,571
4. Step 4: Simplify right side
   86,071.50x = 17,310,928,041
5. Step 5: Solve for x
   x = 17,310,928,041/86,071.50
6. Step 6: Final answer
   x = 201,122.65