Finding the Third Proportional to 16,956 and 18,360

Step by Step Solution

1. Step 1: Write the proportion equation
   16,956 : 18,360 = 18,360 : x
2. Step 2: Convert to fraction form
   16,956/18,360 = 18,360/x
3. Step 3: Cross multiply
   16,956x = 18,360 × 18,360
4. Step 4: Simplify right side
   16,956x = 337,089,600
5. Step 5: Solve for x
   x = 337,089,600/16,956
6. Step 6: Final answer
   x = 19,880.25