Finding the Third Proportional to 18,935.25 and 39,828.75

Step by Step Solution

1. Step 1: Write the proportion equation
   18,935.25 : 39,828.75 = 39,828.75 : x
2. Step 2: Convert to fraction form
   18,935.25/39,828.75 = 39,828.75/x
3. Step 3: Cross multiply
   18,935.25x = 39,828.75 × 39,828.75
4. Step 4: Simplify right side
   18,935.25x = 1,586,329,326.56
5. Step 5: Solve for x
   x = 1,586,329,326.56/18,935.25
6. Step 6: Final answer
   x = 83,776.52