Finding the Third Proportional to 21,348 and 30,747.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,348 : 30,747.75 = 30,747.75 : x
2. Step 2: Convert to fraction form
   21,348/30,747.75 = 30,747.75/x
3. Step 3: Cross multiply
   21,348x = 30,747.75 × 30,747.75
4. Step 4: Simplify right side
   21,348x = 945,424,130.06
5. Step 5: Solve for x
   x = 945,424,130.06/21,348
6. Step 6: Final answer
   x = 44,286.31