Finding the Third Proportional to 17,983.50 and 39,510.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,983.50 : 39,510.75 = 39,510.75 : x
2. Step 2: Convert to fraction form
   17,983.50/39,510.75 = 39,510.75/x
3. Step 3: Cross multiply
   17,983.50x = 39,510.75 × 39,510.75
4. Step 4: Simplify right side
   17,983.50x = 1,561,099,365.56
5. Step 5: Solve for x
   x = 1,561,099,365.56/17,983.50
6. Step 6: Final answer
   x = 86,807.32