Finding the Third Proportional to 7,449.47 and 10,709.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,449.47 : 10,709.72 = 10,709.72 : x
2. Step 2: Convert to fraction form
   7,449.47/10,709.72 = 10,709.72/x
3. Step 3: Cross multiply
   7,449.47x = 10,709.72 × 10,709.72
4. Step 4: Simplify right side
   7,449.47x = 114,698,075.70
5. Step 5: Solve for x
   x = 114,698,075.70/7,449.47
6. Step 6: Final answer
   x = 15,396.81