Finding the Third Proportional to 9,103 and 12,847

Step by Step Solution

1. Step 1: Write the proportion equation
   9,103 : 12,847 = 12,847 : x
2. Step 2: Convert to fraction form
   9,103/12,847 = 12,847/x
3. Step 3: Cross multiply
   9,103x = 12,847 × 12,847
4. Step 4: Simplify right side
   9,103x = 165,045,409
5. Step 5: Solve for x
   x = 165,045,409/9,103
6. Step 6: Final answer
   x = 18,130.88