Finding the Third Proportional to 13,146 and 20,103

Step by Step Solution

1. Step 1: Write the proportion equation
   13,146 : 20,103 = 20,103 : x
2. Step 2: Convert to fraction form
   13,146/20,103 = 20,103/x
3. Step 3: Cross multiply
   13,146x = 20,103 × 20,103
4. Step 4: Simplify right side
   13,146x = 404,130,609
5. Step 5: Solve for x
   x = 404,130,609/13,146
6. Step 6: Final answer
   x = 30,741.72