Finding the Third Proportional to 20,800 and 31,191

Step by Step Solution

1. Step 1: Write the proportion equation
   20,800 : 31,191 = 31,191 : x
2. Step 2: Convert to fraction form
   20,800/31,191 = 31,191/x
3. Step 3: Cross multiply
   20,800x = 31,191 × 31,191
4. Step 4: Simplify right side
   20,800x = 972,878,481
5. Step 5: Solve for x
   x = 972,878,481/20,800
6. Step 6: Final answer
   x = 46,773.00