Finding the Third Proportional to 2,644.93 and 3,873.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644.93 : 3,873.47 = 3,873.47 : x
2. Step 2: Convert to fraction form
   2,644.93/3,873.47 = 3,873.47/x
3. Step 3: Cross multiply
   2,644.93x = 3,873.47 × 3,873.47
4. Step 4: Simplify right side
   2,644.93x = 15,003,760.51
5. Step 5: Solve for x
   x = 15,003,760.51/2,644.93
6. Step 6: Final answer
   x = 5,672.64