Finding the Third Proportional to 18,665.25 and 39,059.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,665.25 : 39,059.25 = 39,059.25 : x
2. Step 2: Convert to fraction form
   18,665.25/39,059.25 = 39,059.25/x
3. Step 3: Cross multiply
   18,665.25x = 39,059.25 × 39,059.25
4. Step 4: Simplify right side
   18,665.25x = 1,525,625,010.56
5. Step 5: Solve for x
   x = 1,525,625,010.56/18,665.25
6. Step 6: Final answer
   x = 81,736.11