Finding the Third Proportional to 5,479.75 and 8,475.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,479.75 : 8,475.38 = 8,475.38 : x
2. Step 2: Convert to fraction form
   5,479.75/8,475.38 = 8,475.38/x
3. Step 3: Cross multiply
   5,479.75x = 8,475.38 × 8,475.38
4. Step 4: Simplify right side
   5,479.75x = 71,831,981.39
5. Step 5: Solve for x
   x = 71,831,981.39/5,479.75
6. Step 6: Final answer
   x = 13,108.62