Finding the Third Proportional to 18,140.63 and 27,745.88

Step by Step Solution

1. Step 1: Write the proportion equation
   18,140.63 : 27,745.88 = 27,745.88 : x
2. Step 2: Convert to fraction form
   18,140.63/27,745.88 = 27,745.88/x
3. Step 3: Cross multiply
   18,140.63x = 27,745.88 × 27,745.88
4. Step 4: Simplify right side
   18,140.63x = 769,833,579.52
5. Step 5: Solve for x
   x = 769,833,579.52/18,140.63
6. Step 6: Final answer
   x = 42,436.99