Finding the Third Proportional to 20,910 and 30,696

Step by Step Solution

1. Step 1: Write the proportion equation
   20,910 : 30,696 = 30,696 : x
2. Step 2: Convert to fraction form
   20,910/30,696 = 30,696/x
3. Step 3: Cross multiply
   20,910x = 30,696 × 30,696
4. Step 4: Simplify right side
   20,910x = 942,244,416
5. Step 5: Solve for x
   x = 942,244,416/20,910
6. Step 6: Final answer
   x = 45,061.90