Finding the Third Proportional to 9,103.64 and 13,656.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,103.64 : 13,656.09 = 13,656.09 : x
2. Step 2: Convert to fraction form
   9,103.64/13,656.09 = 13,656.09/x
3. Step 3: Cross multiply
   9,103.64x = 13,656.09 × 13,656.09
4. Step 4: Simplify right side
   9,103.64x = 186,488,896.51
5. Step 5: Solve for x
   x = 186,488,896.51/9,103.64
6. Step 6: Final answer
   x = 20,485.09