Finding the Third Proportional to 19,830 and 28,653

Step by Step Solution

1. Step 1: Write the proportion equation
   19,830 : 28,653 = 28,653 : x
2. Step 2: Convert to fraction form
   19,830/28,653 = 28,653/x
3. Step 3: Cross multiply
   19,830x = 28,653 × 28,653
4. Step 4: Simplify right side
   19,830x = 820,994,409
5. Step 5: Solve for x
   x = 820,994,409/19,830
6. Step 6: Final answer
   x = 41,401.63