Finding the Third Proportional to 20,910.38 and 29,808.56

Step by Step Solution

1. Step 1: Write the proportion equation
   20,910.38 : 29,808.56 = 29,808.56 : x
2. Step 2: Convert to fraction form
   20,910.38/29,808.56 = 29,808.56/x
3. Step 3: Cross multiply
   20,910.38x = 29,808.56 × 29,808.56
4. Step 4: Simplify right side
   20,910.38x = 888,550,398.32
5. Step 5: Solve for x
   x = 888,550,398.32/20,910.38
6. Step 6: Final answer
   x = 42,493.28