Finding the Third Proportional to 10,398.66 and 15,983.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,398.66 : 15,983.72 = 15,983.72 : x
2. Step 2: Convert to fraction form
   10,398.66/15,983.72 = 15,983.72/x
3. Step 3: Cross multiply
   10,398.66x = 15,983.72 × 15,983.72
4. Step 4: Simplify right side
   10,398.66x = 255,479,265.08
5. Step 5: Solve for x
   x = 255,479,265.08/10,398.66
6. Step 6: Final answer
   x = 24,568.49