Finding the Third Proportional to 1,108.69 and 1,885.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,108.69 : 1,885.78 = 1,885.78 : x
2. Step 2: Convert to fraction form
   1,108.69/1,885.78 = 1,885.78/x
3. Step 3: Cross multiply
   1,108.69x = 1,885.78 × 1,885.78
4. Step 4: Simplify right side
   1,108.69x = 3,556,170.92
5. Step 5: Solve for x
   x = 3,556,170.92/1,108.69
6. Step 6: Final answer
   x = 3,207.55