Finding the Third Proportional to 2,678.06 and 5,796.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678.06 : 5,796.56 = 5,796.56 : x
2. Step 2: Convert to fraction form
   2,678.06/5,796.56 = 5,796.56/x
3. Step 3: Cross multiply
   2,678.06x = 5,796.56 × 5,796.56
4. Step 4: Simplify right side
   2,678.06x = 33,600,136.82
5. Step 5: Solve for x
   x = 33,600,136.82/2,678.06
6. Step 6: Final answer
   x = 12,546.43