Finding the Third Proportional to 17,880 and 27,819

Step by Step Solution

1. Step 1: Write the proportion equation
   17,880 : 27,819 = 27,819 : x
2. Step 2: Convert to fraction form
   17,880/27,819 = 27,819/x
3. Step 3: Cross multiply
   17,880x = 27,819 × 27,819
4. Step 4: Simplify right side
   17,880x = 773,896,761
5. Step 5: Solve for x
   x = 773,896,761/17,880
6. Step 6: Final answer
   x = 43,282.82