Finding the Third Proportional to 10,120.21 and 21,797.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,120.21 : 21,797.38 = 21,797.38 : x
2. Step 2: Convert to fraction form
   10,120.21/21,797.38 = 21,797.38/x
3. Step 3: Cross multiply
   10,120.21x = 21,797.38 × 21,797.38
4. Step 4: Simplify right side
   10,120.21x = 475,125,982.62
5. Step 5: Solve for x
   x = 475,125,982.62/10,120.21
6. Step 6: Final answer
   x = 46,948.21