Finding the Third Proportional to 5,978.81 and 9,309.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.81 : 9,309.94 = 9,309.94 : x
2. Step 2: Convert to fraction form
   5,978.81/9,309.94 = 9,309.94/x
3. Step 3: Cross multiply
   5,978.81x = 9,309.94 × 9,309.94
4. Step 4: Simplify right side
   5,978.81x = 86,674,936.25
5. Step 5: Solve for x
   x = 86,674,936.25/5,978.81
6. Step 6: Final answer
   x = 14,497.02