Finding the Third Proportional to 19,997 and 31,100

Step by Step Solution

1. Step 1: Write the proportion equation
   19,997 : 31,100 = 31,100 : x
2. Step 2: Convert to fraction form
   19,997/31,100 = 31,100/x
3. Step 3: Cross multiply
   19,997x = 31,100 × 31,100
4. Step 4: Simplify right side
   19,997x = 967,210,000
5. Step 5: Solve for x
   x = 967,210,000/19,997
6. Step 6: Final answer
   x = 48,367.76