Finding the Third Proportional to 18,196.69 and 38,580.38

Step by Step Solution

1. Step 1: Write the proportion equation
   18,196.69 : 38,580.38 = 38,580.38 : x
2. Step 2: Convert to fraction form
   18,196.69/38,580.38 = 38,580.38/x
3. Step 3: Cross multiply
   18,196.69x = 38,580.38 × 38,580.38
4. Step 4: Simplify right side
   18,196.69x = 1,488,445,335.14
5. Step 5: Solve for x
   x = 1,488,445,335.14/18,196.69
6. Step 6: Final answer
   x = 81,797.60