Finding the Third Proportional to 4,547.25 and 9,479.25

Step by Step Solution

1. Step 1: Write the proportion equation
   4,547.25 : 9,479.25 = 9,479.25 : x
2. Step 2: Convert to fraction form
   4,547.25/9,479.25 = 9,479.25/x
3. Step 3: Cross multiply
   4,547.25x = 9,479.25 × 9,479.25
4. Step 4: Simplify right side
   4,547.25x = 89,856,180.56
5. Step 5: Solve for x
   x = 89,856,180.56/4,547.25
6. Step 6: Final answer
   x = 19,760.55