Finding the Third Proportional to 23,868 and 30,721.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,868 : 30,721.50 = 30,721.50 : x
2. Step 2: Convert to fraction form
   23,868/30,721.50 = 30,721.50/x
3. Step 3: Cross multiply
   23,868x = 30,721.50 × 30,721.50
4. Step 4: Simplify right side
   23,868x = 943,810,562.25
5. Step 5: Solve for x
   x = 943,810,562.25/23,868
6. Step 6: Final answer
   x = 39,542.93