Finding the Third Proportional to 79,965.50 and 171,003.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,965.50 : 171,003.50 = 171,003.50 : x
2. Step 2: Convert to fraction form
   79,965.50/171,003.50 = 171,003.50/x
3. Step 3: Cross multiply
   79,965.50x = 171,003.50 × 171,003.50
4. Step 4: Simplify right side
   79,965.50x = 29,242,197,012.25
5. Step 5: Solve for x
   x = 29,242,197,012.25/79,965.50
6. Step 6: Final answer
   x = 365,685.16