Finding the Third Proportional to 10,328.45 and 15,479.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,328.45 : 15,479.86 = 15,479.86 : x
2. Step 2: Convert to fraction form
   10,328.45/15,479.86 = 15,479.86/x
3. Step 3: Cross multiply
   10,328.45x = 15,479.86 × 15,479.86
4. Step 4: Simplify right side
   10,328.45x = 239,626,046.27
5. Step 5: Solve for x
   x = 239,626,046.27/10,328.45
6. Step 6: Final answer
   x = 23,200.58