Finding the Third Proportional to 18,107.75 and 39,230.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,107.75 : 39,230.25 = 39,230.25 : x
2. Step 2: Convert to fraction form
   18,107.75/39,230.25 = 39,230.25/x
3. Step 3: Cross multiply
   18,107.75x = 39,230.25 × 39,230.25
4. Step 4: Simplify right side
   18,107.75x = 1,539,012,515.06
5. Step 5: Solve for x
   x = 1,539,012,515.06/18,107.75
6. Step 6: Final answer
   x = 84,991.92