Finding the Third Proportional to 5,694.09 and 8,931.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,694.09 : 8,931.56 = 8,931.56 : x
2. Step 2: Convert to fraction form
   5,694.09/8,931.56 = 8,931.56/x
3. Step 3: Cross multiply
   5,694.09x = 8,931.56 × 8,931.56
4. Step 4: Simplify right side
   5,694.09x = 79,772,808.69
5. Step 5: Solve for x
   x = 79,772,808.69/5,694.09
6. Step 6: Final answer
   x = 14,009.75