Finding the Third Proportional to 6,854 and 12,100

Step by Step Solution

1. Step 1: Write the proportion equation
   6,854 : 12,100 = 12,100 : x
2. Step 2: Convert to fraction form
   6,854/12,100 = 12,100/x
3. Step 3: Cross multiply
   6,854x = 12,100 × 12,100
4. Step 4: Simplify right side
   6,854x = 146,410,000
5. Step 5: Solve for x
   x = 146,410,000/6,854
6. Step 6: Final answer
   x = 21,361.25