Finding the Third Proportional to 8,205,910 and 17,856,687

Step by Step Solution

1. Step 1: Write the proportion equation
   8,205,910 : 17,856,687 = 17,856,687 : x
2. Step 2: Convert to fraction form
   8,205,910/17,856,687 = 17,856,687/x
3. Step 3: Cross multiply
   8,205,910x = 17,856,687 × 17,856,687
4. Step 4: Simplify right side
   8,205,910x = 318,861,270,615,969
5. Step 5: Solve for x
   x = 318,861,270,615,969/8,205,910
6. Step 6: Final answer
   x = 38,857,514.96