Finding the Third Proportional to 8,399,106 and 17,987,868

Step by Step Solution

1. Step 1: Write the proportion equation
   8,399,106 : 17,987,868 = 17,987,868 : x
2. Step 2: Convert to fraction form
   8,399,106/17,987,868 = 17,987,868/x
3. Step 3: Cross multiply
   8,399,106x = 17,987,868 × 17,987,868
4. Step 4: Simplify right side
   8,399,106x = 323,563,395,185,424
5. Step 5: Solve for x
   x = 323,563,395,185,424/8,399,106
6. Step 6: Final answer
   x = 38,523,551.81