Finding the Third Proportional to 19,176.75 and 39,684.94

Step by Step Solution

1. Step 1: Write the proportion equation
   19,176.75 : 39,684.94 = 39,684.94 : x
2. Step 2: Convert to fraction form
   19,176.75/39,684.94 = 39,684.94/x
3. Step 3: Cross multiply
   19,176.75x = 39,684.94 × 39,684.94
4. Step 4: Simplify right side
   19,176.75x = 1,574,894,264.38
5. Step 5: Solve for x
   x = 1,574,894,264.38/19,176.75
6. Step 6: Final answer
   x = 82,125.19