Finding the Third Proportional to 2,015.72 and 4,304.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.72 : 4,304.81 = 4,304.81 : x
2. Step 2: Convert to fraction form
   2,015.72/4,304.81 = 4,304.81/x
3. Step 3: Cross multiply
   2,015.72x = 4,304.81 × 4,304.81
4. Step 4: Simplify right side
   2,015.72x = 18,531,410.66
5. Step 5: Solve for x
   x = 18,531,410.66/2,015.72
6. Step 6: Final answer
   x = 9,193.45