Finding the Third Proportional to 4,478.41 and 8,846.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,478.41 : 8,846.72 = 8,846.72 : x
2. Step 2: Convert to fraction form
   4,478.41/8,846.72 = 8,846.72/x
3. Step 3: Cross multiply
   4,478.41x = 8,846.72 × 8,846.72
4. Step 4: Simplify right side
   4,478.41x = 78,264,432.64
5. Step 5: Solve for x
   x = 78,264,432.64/4,478.41
6. Step 6: Final answer
   x = 17,475.93