Finding the Third Proportional to 17,419.50 and 25,399.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,419.50 : 25,399.50 = 25,399.50 : x
2. Step 2: Convert to fraction form
   17,419.50/25,399.50 = 25,399.50/x
3. Step 3: Cross multiply
   17,419.50x = 25,399.50 × 25,399.50
4. Step 4: Simplify right side
   17,419.50x = 645,134,600.25
5. Step 5: Solve for x
   x = 645,134,600.25/17,419.50
6. Step 6: Final answer
   x = 37,035.20