Finding the Third Proportional to 13,006 and 20,117

Step by Step Solution

1. Step 1: Write the proportion equation
   13,006 : 20,117 = 20,117 : x
2. Step 2: Convert to fraction form
   13,006/20,117 = 20,117/x
3. Step 3: Cross multiply
   13,006x = 20,117 × 20,117
4. Step 4: Simplify right side
   13,006x = 404,693,689
5. Step 5: Solve for x
   x = 404,693,689/13,006
6. Step 6: Final answer
   x = 31,115.92