Finding the Third Proportional to 3,638.81 and 7,944.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,638.81 : 7,944.05 = 7,944.05 : x
2. Step 2: Convert to fraction form
   3,638.81/7,944.05 = 7,944.05/x
3. Step 3: Cross multiply
   3,638.81x = 7,944.05 × 7,944.05
4. Step 4: Simplify right side
   3,638.81x = 63,107,880.75
5. Step 5: Solve for x
   x = 63,107,880.75/3,638.81
6. Step 6: Final answer
   x = 17,342.99