Finding the Third Proportional to 13,587.75 and 20,573.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,587.75 : 20,573.06 = 20,573.06 : x
2. Step 2: Convert to fraction form
   13,587.75/20,573.06 = 20,573.06/x
3. Step 3: Cross multiply
   13,587.75x = 20,573.06 × 20,573.06
4. Step 4: Simplify right side
   13,587.75x = 423,250,900.63
5. Step 5: Solve for x
   x = 423,250,900.63/13,587.75
6. Step 6: Final answer
   x = 31,149.45