Finding the Third Proportional to 13,308.47 and 20,603.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,308.47 : 20,603.34 = 20,603.34 : x
2. Step 2: Convert to fraction form
   13,308.47/20,603.34 = 20,603.34/x
3. Step 3: Cross multiply
   13,308.47x = 20,603.34 × 20,603.34
4. Step 4: Simplify right side
   13,308.47x = 424,497,773.68
5. Step 5: Solve for x
   x = 424,497,773.68/13,308.47
6. Step 6: Final answer
   x = 31,896.82