Finding the Third Proportional to 173,234 and 259,144.63

Step by Step Solution

1. Step 1: Write the proportion equation
   173,234 : 259,144.63 = 259,144.63 : x
2. Step 2: Convert to fraction form
   173,234/259,144.63 = 259,144.63/x
3. Step 3: Cross multiply
   173,234x = 259,144.63 × 259,144.63
4. Step 4: Simplify right side
   173,234x = 67,155,936,666.39
5. Step 5: Solve for x
   x = 67,155,936,666.39/173,234
6. Step 6: Final answer
   x = 387,660.26