Finding the Third Proportional to 20,606 and 29,109

Step by Step Solution

1. Step 1: Write the proportion equation
   20,606 : 29,109 = 29,109 : x
2. Step 2: Convert to fraction form
   20,606/29,109 = 29,109/x
3. Step 3: Cross multiply
   20,606x = 29,109 × 29,109
4. Step 4: Simplify right side
   20,606x = 847,333,881
5. Step 5: Solve for x
   x = 847,333,881/20,606
6. Step 6: Final answer
   x = 41,120.74