Finding the Third Proportional to 11,513.25 and 20,657.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,513.25 : 20,657.25 = 20,657.25 : x
2. Step 2: Convert to fraction form
   11,513.25/20,657.25 = 20,657.25/x
3. Step 3: Cross multiply
   11,513.25x = 20,657.25 × 20,657.25
4. Step 4: Simplify right side
   11,513.25x = 426,721,977.56
5. Step 5: Solve for x
   x = 426,721,977.56/11,513.25
6. Step 6: Final answer
   x = 37,063.56