Finding the Third Proportional to 19,800.50 and 30,997

Step by Step Solution

1. Step 1: Write the proportion equation
   19,800.50 : 30,997 = 30,997 : x
2. Step 2: Convert to fraction form
   19,800.50/30,997 = 30,997/x
3. Step 3: Cross multiply
   19,800.50x = 30,997 × 30,997
4. Step 4: Simplify right side
   19,800.50x = 960,814,009
5. Step 5: Solve for x
   x = 960,814,009/19,800.50
6. Step 6: Final answer
   x = 48,524.73