Finding the Third Proportional to 18,934.88 and 39,828.38

Step by Step Solution

1. Step 1: Write the proportion equation
   18,934.88 : 39,828.38 = 39,828.38 : x
2. Step 2: Convert to fraction form
   18,934.88/39,828.38 = 39,828.38/x
3. Step 3: Cross multiply
   18,934.88x = 39,828.38 × 39,828.38
4. Step 4: Simplify right side
   18,934.88x = 1,586,299,455.14
5. Step 5: Solve for x
   x = 1,586,299,455.14/18,934.88
6. Step 6: Final answer
   x = 83,776.60