Finding the Third Proportional to 17,389.69 and 27,999.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,389.69 : 27,999.42 = 27,999.42 : x
2. Step 2: Convert to fraction form
   17,389.69/27,999.42 = 27,999.42/x
3. Step 3: Cross multiply
   17,389.69x = 27,999.42 × 27,999.42
4. Step 4: Simplify right side
   17,389.69x = 783,967,625.33
5. Step 5: Solve for x
   x = 783,967,625.33/17,389.69
6. Step 6: Final answer
   x = 45,082.33