Finding the Third Proportional to 8,566.13 and 13,426.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,566.13 : 13,426.31 = 13,426.31 : x
2. Step 2: Convert to fraction form
   8,566.13/13,426.31 = 13,426.31/x
3. Step 3: Cross multiply
   8,566.13x = 13,426.31 × 13,426.31
4. Step 4: Simplify right side
   8,566.13x = 180,265,867.35
5. Step 5: Solve for x
   x = 180,265,867.35/8,566.13
6. Step 6: Final answer
   x = 21,044.04