Finding the Third Proportional to 11,456.44 and 20,422.13

Step by Step Solution

1. Step 1: Write the proportion equation
   11,456.44 : 20,422.13 = 20,422.13 : x
2. Step 2: Convert to fraction form
   11,456.44/20,422.13 = 20,422.13/x
3. Step 3: Cross multiply
   11,456.44x = 20,422.13 × 20,422.13
4. Step 4: Simplify right side
   11,456.44x = 417,063,189.52
5. Step 5: Solve for x
   x = 417,063,189.52/11,456.44
6. Step 6: Final answer
   x = 36,404.27