Finding the Third Proportional to 10,851.75 and 12,417.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,851.75 : 12,417.75 = 12,417.75 : x
2. Step 2: Convert to fraction form
   10,851.75/12,417.75 = 12,417.75/x
3. Step 3: Cross multiply
   10,851.75x = 12,417.75 × 12,417.75
4. Step 4: Simplify right side
   10,851.75x = 154,200,515.06
5. Step 5: Solve for x
   x = 154,200,515.06/10,851.75
6. Step 6: Final answer
   x = 14,209.74