Finding the Third Proportional to 19,390.50 and 28,470

Step by Step Solution

1. Step 1: Write the proportion equation
   19,390.50 : 28,470 = 28,470 : x
2. Step 2: Convert to fraction form
   19,390.50/28,470 = 28,470/x
3. Step 3: Cross multiply
   19,390.50x = 28,470 × 28,470
4. Step 4: Simplify right side
   19,390.50x = 810,540,900
5. Step 5: Solve for x
   x = 810,540,900/19,390.50
6. Step 6: Final answer
   x = 41,800.93