Finding the Third Proportional to 9,851 and 12,913

Step by Step Solution

1. Step 1: Write the proportion equation
   9,851 : 12,913 = 12,913 : x
2. Step 2: Convert to fraction form
   9,851/12,913 = 12,913/x
3. Step 3: Cross multiply
   9,851x = 12,913 × 12,913
4. Step 4: Simplify right side
   9,851x = 166,745,569
5. Step 5: Solve for x
   x = 166,745,569/9,851
6. Step 6: Final answer
   x = 16,926.77