Finding the Third Proportional to 10,391.25 and 21,395.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,391.25 : 21,395.25 = 21,395.25 : x
2. Step 2: Convert to fraction form
   10,391.25/21,395.25 = 21,395.25/x
3. Step 3: Cross multiply
   10,391.25x = 21,395.25 × 21,395.25
4. Step 4: Simplify right side
   10,391.25x = 457,756,722.56
5. Step 5: Solve for x
   x = 457,756,722.56/10,391.25
6. Step 6: Final answer
   x = 44,052.13