Finding the Third Proportional to 17,694 and 38,790

Step by Step Solution

1. Step 1: Write the proportion equation
   17,694 : 38,790 = 38,790 : x
2. Step 2: Convert to fraction form
   17,694/38,790 = 38,790/x
3. Step 3: Cross multiply
   17,694x = 38,790 × 38,790
4. Step 4: Simplify right side
   17,694x = 1,504,664,100
5. Step 5: Solve for x
   x = 1,504,664,100/17,694
6. Step 6: Final answer
   x = 85,038.10