Finding the Third Proportional to 2,756.53 and 6,443.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,756.53 : 6,443.30 = 6,443.30 : x
2. Step 2: Convert to fraction form
   2,756.53/6,443.30 = 6,443.30/x
3. Step 3: Cross multiply
   2,756.53x = 6,443.30 × 6,443.30
4. Step 4: Simplify right side
   2,756.53x = 41,516,074.62
5. Step 5: Solve for x
   x = 41,516,074.62/2,756.53
6. Step 6: Final answer
   x = 15,060.98