Finding the Third Proportional to 3,644.44 and 7,807.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,644.44 : 7,807.31 = 7,807.31 : x
2. Step 2: Convert to fraction form
   3,644.44/7,807.31 = 7,807.31/x
3. Step 3: Cross multiply
   3,644.44x = 7,807.31 × 7,807.31
4. Step 4: Simplify right side
   3,644.44x = 60,954,128.47
5. Step 5: Solve for x
   x = 60,954,128.47/3,644.44
6. Step 6: Final answer
   x = 16,725.25