Finding the Third Proportional to 13,579.31 and 21,103.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,579.31 : 21,103.88 = 21,103.88 : x
2. Step 2: Convert to fraction form
   13,579.31/21,103.88 = 21,103.88/x
3. Step 3: Cross multiply
   13,579.31x = 21,103.88 × 21,103.88
4. Step 4: Simplify right side
   13,579.31x = 445,373,540.02
5. Step 5: Solve for x
   x = 445,373,540.02/13,579.31
6. Step 6: Final answer
   x = 32,797.94