Finding the Third Proportional to 21,078 and 30,750

Step by Step Solution

1. Step 1: Write the proportion equation
   21,078 : 30,750 = 30,750 : x
2. Step 2: Convert to fraction form
   21,078/30,750 = 30,750/x
3. Step 3: Cross multiply
   21,078x = 30,750 × 30,750
4. Step 4: Simplify right side
   21,078x = 945,562,500
5. Step 5: Solve for x
   x = 945,562,500/21,078
6. Step 6: Final answer
   x = 44,860.16