Finding the Third Proportional to 173,196 and 259,098

Step by Step Solution

1. Step 1: Write the proportion equation
   173,196 : 259,098 = 259,098 : x
2. Step 2: Convert to fraction form
   173,196/259,098 = 259,098/x
3. Step 3: Cross multiply
   173,196x = 259,098 × 259,098
4. Step 4: Simplify right side
   173,196x = 67,131,773,604
5. Step 5: Solve for x
   x = 67,131,773,604/173,196
6. Step 6: Final answer
   x = 387,605.80