Finding the Third Proportional to 16,864.88 and 25,803.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,864.88 : 25,803.56 = 25,803.56 : x
2. Step 2: Convert to fraction form
   16,864.88/25,803.56 = 25,803.56/x
3. Step 3: Cross multiply
   16,864.88x = 25,803.56 × 25,803.56
4. Step 4: Simplify right side
   16,864.88x = 665,823,837.69
5. Step 5: Solve for x
   x = 665,823,837.69/16,864.88
6. Step 6: Final answer
   x = 39,479.92