Finding the Third Proportional to 173,159.50 and 259,042

Step by Step Solution

1. Step 1: Write the proportion equation
   173,159.50 : 259,042 = 259,042 : x
2. Step 2: Convert to fraction form
   173,159.50/259,042 = 259,042/x
3. Step 3: Cross multiply
   173,159.50x = 259,042 × 259,042
4. Step 4: Simplify right side
   173,159.50x = 67,102,757,764
5. Step 5: Solve for x
   x = 67,102,757,764/173,159.50
6. Step 6: Final answer
   x = 387,519.93