Finding the Third Proportional to 20,800 and 45,434

Step by Step Solution

1. Step 1: Write the proportion equation
   20,800 : 45,434 = 45,434 : x
2. Step 2: Convert to fraction form
   20,800/45,434 = 45,434/x
3. Step 3: Cross multiply
   20,800x = 45,434 × 45,434
4. Step 4: Simplify right side
   20,800x = 2,064,248,356
5. Step 5: Solve for x
   x = 2,064,248,356/20,800
6. Step 6: Final answer
   x = 99,242.71