Finding the Third Proportional to 17,904.94 and 39,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,904.94 : 39,019.50 = 39,019.50 : x
2. Step 2: Convert to fraction form
   17,904.94/39,019.50 = 39,019.50/x
3. Step 3: Cross multiply
   17,904.94x = 39,019.50 × 39,019.50
4. Step 4: Simplify right side
   17,904.94x = 1,522,521,380.25
5. Step 5: Solve for x
   x = 1,522,521,380.25/17,904.94
6. Step 6: Final answer
   x = 85,033.60