Finding the Third Proportional to 13,597.88 and 20,801.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,597.88 : 20,801.81 = 20,801.81 : x
2. Step 2: Convert to fraction form
   13,597.88/20,801.81 = 20,801.81/x
3. Step 3: Cross multiply
   13,597.88x = 20,801.81 × 20,801.81
4. Step 4: Simplify right side
   13,597.88x = 432,715,403.29
5. Step 5: Solve for x
   x = 432,715,403.29/13,597.88
6. Step 6: Final answer
   x = 31,822.28