Finding the Third Proportional to 19,240 and 28,697

Step by Step Solution

1. Step 1: Write the proportion equation
   19,240 : 28,697 = 28,697 : x
2. Step 2: Convert to fraction form
   19,240/28,697 = 28,697/x
3. Step 3: Cross multiply
   19,240x = 28,697 × 28,697
4. Step 4: Simplify right side
   19,240x = 823,517,809
5. Step 5: Solve for x
   x = 823,517,809/19,240
6. Step 6: Final answer
   x = 42,802.38