Finding the Third Proportional to 80,215.50 and 170,754

Step by Step Solution

1. Step 1: Write the proportion equation
   80,215.50 : 170,754 = 170,754 : x
2. Step 2: Convert to fraction form
   80,215.50/170,754 = 170,754/x
3. Step 3: Cross multiply
   80,215.50x = 170,754 × 170,754
4. Step 4: Simplify right side
   80,215.50x = 29,156,928,516
5. Step 5: Solve for x
   x = 29,156,928,516/80,215.50
6. Step 6: Final answer
   x = 363,482.48