Finding the Third Proportional to 10,131.75 and 21,745.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.75 : 21,745.13 = 21,745.13 : x
2. Step 2: Convert to fraction form
   10,131.75/21,745.13 = 21,745.13/x
3. Step 3: Cross multiply
   10,131.75x = 21,745.13 × 21,745.13
4. Step 4: Simplify right side
   10,131.75x = 472,850,461.27
5. Step 5: Solve for x
   x = 472,850,461.27/10,131.75
6. Step 6: Final answer
   x = 46,670.17