Finding the Third Proportional to 79,980.50 and 171,598

Step by Step Solution

1. Step 1: Write the proportion equation
   79,980.50 : 171,598 = 171,598 : x
2. Step 2: Convert to fraction form
   79,980.50/171,598 = 171,598/x
3. Step 3: Cross multiply
   79,980.50x = 171,598 × 171,598
4. Step 4: Simplify right side
   79,980.50x = 29,445,873,604
5. Step 5: Solve for x
   x = 29,445,873,604/79,980.50
6. Step 6: Final answer
   x = 368,163.16