Finding the Third Proportional to 16,729.88 and 25,889.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,729.88 : 25,889.63 = 25,889.63 : x
2. Step 2: Convert to fraction form
   16,729.88/25,889.63 = 25,889.63/x
3. Step 3: Cross multiply
   16,729.88x = 25,889.63 × 25,889.63
4. Step 4: Simplify right side
   16,729.88x = 670,272,682.64
5. Step 5: Solve for x
   x = 670,272,682.64/16,729.88
6. Step 6: Final answer
   x = 40,064.42