Finding the Third Proportional to 6,613 and 10,871

Step by Step Solution

1. Step 1: Write the proportion equation
   6,613 : 10,871 = 10,871 : x
2. Step 2: Convert to fraction form
   6,613/10,871 = 10,871/x
3. Step 3: Cross multiply
   6,613x = 10,871 × 10,871
4. Step 4: Simplify right side
   6,613x = 118,178,641
5. Step 5: Solve for x
   x = 118,178,641/6,613
6. Step 6: Final answer
   x = 17,870.65