Finding the Third Proportional to 21,602 and 30,891

Step by Step Solution

1. Step 1: Write the proportion equation
   21,602 : 30,891 = 30,891 : x
2. Step 2: Convert to fraction form
   21,602/30,891 = 30,891/x
3. Step 3: Cross multiply
   21,602x = 30,891 × 30,891
4. Step 4: Simplify right side
   21,602x = 954,253,881
5. Step 5: Solve for x
   x = 954,253,881/21,602
6. Step 6: Final answer
   x = 44,174.33