Finding the Third Proportional to 3,721.35 and 7,982.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,721.35 : 7,982.34 = 7,982.34 : x
2. Step 2: Convert to fraction form
   3,721.35/7,982.34 = 7,982.34/x
3. Step 3: Cross multiply
   3,721.35x = 7,982.34 × 7,982.34
4. Step 4: Simplify right side
   3,721.35x = 63,717,694.81
5. Step 5: Solve for x
   x = 63,717,694.81/3,721.35
6. Step 6: Final answer
   x = 17,122.19