Finding the Third Proportional to 20,656 and 30,116

Step by Step Solution

1. Step 1: Write the proportion equation
   20,656 : 30,116 = 30,116 : x
2. Step 2: Convert to fraction form
   20,656/30,116 = 30,116/x
3. Step 3: Cross multiply
   20,656x = 30,116 × 30,116
4. Step 4: Simplify right side
   20,656x = 906,973,456
5. Step 5: Solve for x
   x = 906,973,456/20,656
6. Step 6: Final answer
   x = 43,908.47