Finding the Third Proportional to 18,043.88 and 25,991.63

Step by Step Solution

1. Step 1: Write the proportion equation
   18,043.88 : 25,991.63 = 25,991.63 : x
2. Step 2: Convert to fraction form
   18,043.88/25,991.63 = 25,991.63/x
3. Step 3: Cross multiply
   18,043.88x = 25,991.63 × 25,991.63
4. Step 4: Simplify right side
   18,043.88x = 675,564,570.14
5. Step 5: Solve for x
   x = 675,564,570.14/18,043.88
6. Step 6: Final answer
   x = 37,440.10