Finding the Third Proportional to 8,704.88 and 13,261.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,704.88 : 13,261.31 = 13,261.31 : x
2. Step 2: Convert to fraction form
   8,704.88/13,261.31 = 13,261.31/x
3. Step 3: Cross multiply
   8,704.88x = 13,261.31 × 13,261.31
4. Step 4: Simplify right side
   8,704.88x = 175,862,409.22
5. Step 5: Solve for x
   x = 175,862,409.22/8,704.88
6. Step 6: Final answer
   x = 20,202.75