Finding the Third Proportional to 7,797,980 and 17,388,956

Step by Step Solution

1. Step 1: Write the proportion equation
   7,797,980 : 17,388,956 = 17,388,956 : x
2. Step 2: Convert to fraction form
   7,797,980/17,388,956 = 17,388,956/x
3. Step 3: Cross multiply
   7,797,980x = 17,388,956 × 17,388,956
4. Step 4: Simplify right side
   7,797,980x = 302,375,790,769,936
5. Step 5: Solve for x
   x = 302,375,790,769,936/7,797,980
6. Step 6: Final answer
   x = 38,776,169.06