Finding the Third Proportional to 173,132 and 259,010

Step by Step Solution

1. Step 1: Write the proportion equation
   173,132 : 259,010 = 259,010 : x
2. Step 2: Convert to fraction form
   173,132/259,010 = 259,010/x
3. Step 3: Cross multiply
   173,132x = 259,010 × 259,010
4. Step 4: Simplify right side
   173,132x = 67,086,180,100
5. Step 5: Solve for x
   x = 67,086,180,100/173,132
6. Step 6: Final answer
   x = 387,485.73