Finding the Third Proportional to 5,865.05 and 12,216.09

Step by Step Solution

1. Step 1: Write the proportion equation
   5,865.05 : 12,216.09 = 12,216.09 : x
2. Step 2: Convert to fraction form
   5,865.05/12,216.09 = 12,216.09/x
3. Step 3: Cross multiply
   5,865.05x = 12,216.09 × 12,216.09
4. Step 4: Simplify right side
   5,865.05x = 149,232,946.51
5. Step 5: Solve for x
   x = 149,232,946.51/5,865.05
6. Step 6: Final answer
   x = 25,444.46