Finding the Third Proportional to 21,991 and 30,250

Step by Step Solution

1. Step 1: Write the proportion equation
   21,991 : 30,250 = 30,250 : x
2. Step 2: Convert to fraction form
   21,991/30,250 = 30,250/x
3. Step 3: Cross multiply
   21,991x = 30,250 × 30,250
4. Step 4: Simplify right side
   21,991x = 915,062,500
5. Step 5: Solve for x
   x = 915,062,500/21,991
6. Step 6: Final answer
   x = 41,610.77