Finding the Third Proportional to 7,983.40 and 17,320.87

Step by Step Solution

1. Step 1: Write the proportion equation
   7,983.40 : 17,320.87 = 17,320.87 : x
2. Step 2: Convert to fraction form
   7,983.40/17,320.87 = 17,320.87/x
3. Step 3: Cross multiply
   7,983.40x = 17,320.87 × 17,320.87
4. Step 4: Simplify right side
   7,983.40x = 300,012,507.79
5. Step 5: Solve for x
   x = 300,012,507.79/7,983.40
6. Step 6: Final answer
   x = 37,579.52