Finding the Third Proportional to 2,979.56 and 5,884.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,979.56 : 5,884.31 = 5,884.31 : x
2. Step 2: Convert to fraction form
   2,979.56/5,884.31 = 5,884.31/x
3. Step 3: Cross multiply
   2,979.56x = 5,884.31 × 5,884.31
4. Step 4: Simplify right side
   2,979.56x = 34,625,133.60
5. Step 5: Solve for x
   x = 34,625,133.60/2,979.56
6. Step 6: Final answer
   x = 11,620.88