Finding the Third Proportional to 20,908 and 45,656

Step by Step Solution

1. Step 1: Write the proportion equation
   20,908 : 45,656 = 45,656 : x
2. Step 2: Convert to fraction form
   20,908/45,656 = 45,656/x
3. Step 3: Cross multiply
   20,908x = 45,656 × 45,656
4. Step 4: Simplify right side
   20,908x = 2,084,470,336
5. Step 5: Solve for x
   x = 2,084,470,336/20,908
6. Step 6: Final answer
   x = 99,697.26