Finding the Third Proportional to 80,797.50 and 171,810

Step by Step Solution

1. Step 1: Write the proportion equation
   80,797.50 : 171,810 = 171,810 : x
2. Step 2: Convert to fraction form
   80,797.50/171,810 = 171,810/x
3. Step 3: Cross multiply
   80,797.50x = 171,810 × 171,810
4. Step 4: Simplify right side
   80,797.50x = 29,518,676,100
5. Step 5: Solve for x
   x = 29,518,676,100/80,797.50
6. Step 6: Final answer
   x = 365,341.45