Finding the Third Proportional to 19,870 and 27,057

Step by Step Solution

1. Step 1: Write the proportion equation
   19,870 : 27,057 = 27,057 : x
2. Step 2: Convert to fraction form
   19,870/27,057 = 27,057/x
3. Step 3: Cross multiply
   19,870x = 27,057 × 27,057
4. Step 4: Simplify right side
   19,870x = 732,081,249
5. Step 5: Solve for x
   x = 732,081,249/19,870
6. Step 6: Final answer
   x = 36,843.55