Finding the Third Proportional to 8,161,663 and 17,815,406

Step by Step Solution

1. Step 1: Write the proportion equation
   8,161,663 : 17,815,406 = 17,815,406 : x
2. Step 2: Convert to fraction form
   8,161,663/17,815,406 = 17,815,406/x
3. Step 3: Cross multiply
   8,161,663x = 17,815,406 × 17,815,406
4. Step 4: Simplify right side
   8,161,663x = 317,388,690,944,836
5. Step 5: Solve for x
   x = 317,388,690,944,836/8,161,663
6. Step 6: Final answer
   x = 38,887,747.63