Finding the Third Proportional to 2,664.19 and 3,996.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664.19 : 3,996.38 = 3,996.38 : x
2. Step 2: Convert to fraction form
   2,664.19/3,996.38 = 3,996.38/x
3. Step 3: Cross multiply
   2,664.19x = 3,996.38 × 3,996.38
4. Step 4: Simplify right side
   2,664.19x = 15,971,013.14
5. Step 5: Solve for x
   x = 15,971,013.14/2,664.19
6. Step 6: Final answer
   x = 5,994.70