Finding the Third Proportional to 5,565.31 and 8,667.09

Step by Step Solution

1. Step 1: Write the proportion equation
   5,565.31 : 8,667.09 = 8,667.09 : x
2. Step 2: Convert to fraction form
   5,565.31/8,667.09 = 8,667.09/x
3. Step 3: Cross multiply
   5,565.31x = 8,667.09 × 8,667.09
4. Step 4: Simplify right side
   5,565.31x = 75,118,514.07
5. Step 5: Solve for x
   x = 75,118,514.07/5,565.31
6. Step 6: Final answer
   x = 13,497.63