Finding the Third Proportional to 8,696 and 20,120

Step by Step Solution

1. Step 1: Write the proportion equation
   8,696 : 20,120 = 20,120 : x
2. Step 2: Convert to fraction form
   8,696/20,120 = 20,120/x
3. Step 3: Cross multiply
   8,696x = 20,120 × 20,120
4. Step 4: Simplify right side
   8,696x = 404,814,400
5. Step 5: Solve for x
   x = 404,814,400/8,696
6. Step 6: Final answer
   x = 46,551.79