Finding the Third Proportional to 82,291.50 and 171,049.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,291.50 : 171,049.50 = 171,049.50 : x
2. Step 2: Convert to fraction form
   82,291.50/171,049.50 = 171,049.50/x
3. Step 3: Cross multiply
   82,291.50x = 171,049.50 × 171,049.50
4. Step 4: Simplify right side
   82,291.50x = 29,257,931,450.25
5. Step 5: Solve for x
   x = 29,257,931,450.25/82,291.50
6. Step 6: Final answer
   x = 355,540.14