Finding the Third Proportional to 6,667.31 and 10,319.91

Step by Step Solution

1. Step 1: Write the proportion equation
   6,667.31 : 10,319.91 = 10,319.91 : x
2. Step 2: Convert to fraction form
   6,667.31/10,319.91 = 10,319.91/x
3. Step 3: Cross multiply
   6,667.31x = 10,319.91 × 10,319.91
4. Step 4: Simplify right side
   6,667.31x = 106,500,465.01
5. Step 5: Solve for x
   x = 106,500,465.01/6,667.31
6. Step 6: Final answer
   x = 15,973.52