Finding the Third Proportional to 5,361 and 12,958.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,361 : 12,958.50 = 12,958.50 : x
2. Step 2: Convert to fraction form
   5,361/12,958.50 = 12,958.50/x
3. Step 3: Cross multiply
   5,361x = 12,958.50 × 12,958.50
4. Step 4: Simplify right side
   5,361x = 167,922,722.25
5. Step 5: Solve for x
   x = 167,922,722.25/5,361
6. Step 6: Final answer
   x = 31,323.02