Finding the Third Proportional to 19,993.50 and 28,424.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,993.50 : 28,424.25 = 28,424.25 : x
2. Step 2: Convert to fraction form
   19,993.50/28,424.25 = 28,424.25/x
3. Step 3: Cross multiply
   19,993.50x = 28,424.25 × 28,424.25
4. Step 4: Simplify right side
   19,993.50x = 807,937,988.06
5. Step 5: Solve for x
   x = 807,937,988.06/19,993.50
6. Step 6: Final answer
   x = 40,410.03