Finding the Third Proportional to 4,439.53 and 9,426.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4,439.53 : 9,426.56 = 9,426.56 : x
2. Step 2: Convert to fraction form
   4,439.53/9,426.56 = 9,426.56/x
3. Step 3: Cross multiply
   4,439.53x = 9,426.56 × 9,426.56
4. Step 4: Simplify right side
   4,439.53x = 88,860,080.57
5. Step 5: Solve for x
   x = 88,860,080.57/4,439.53
6. Step 6: Final answer
   x = 20,015.64