Finding the Third Proportional to 18,196.50 and 38,579.75

Step by Step Solution

1. Step 1: Write the proportion equation
   18,196.50 : 38,579.75 = 38,579.75 : x
2. Step 2: Convert to fraction form
   18,196.50/38,579.75 = 38,579.75/x
3. Step 3: Cross multiply
   18,196.50x = 38,579.75 × 38,579.75
4. Step 4: Simplify right side
   18,196.50x = 1,488,397,110.06
5. Step 5: Solve for x
   x = 1,488,397,110.06/18,196.50
6. Step 6: Final answer
   x = 81,795.79