Finding the Third Proportional to 19,816 and 28,488

Step by Step Solution

1. Step 1: Write the proportion equation
   19,816 : 28,488 = 28,488 : x
2. Step 2: Convert to fraction form
   19,816/28,488 = 28,488/x
3. Step 3: Cross multiply
   19,816x = 28,488 × 28,488
4. Step 4: Simplify right side
   19,816x = 811,566,144
5. Step 5: Solve for x
   x = 811,566,144/19,816
6. Step 6: Final answer
   x = 40,955.09