Finding the Third Proportional to 5,156 and 10,180

Step by Step Solution

1. Step 1: Write the proportion equation
   5,156 : 10,180 = 10,180 : x
2. Step 2: Convert to fraction form
   5,156/10,180 = 10,180/x
3. Step 3: Cross multiply
   5,156x = 10,180 × 10,180
4. Step 4: Simplify right side
   5,156x = 103,632,400
5. Step 5: Solve for x
   x = 103,632,400/5,156
6. Step 6: Final answer
   x = 20,099.38