Finding the Third Proportional to 7,797,896 and 17,388,780

Step by Step Solution

1. Step 1: Write the proportion equation
   7,797,896 : 17,388,780 = 17,388,780 : x
2. Step 2: Convert to fraction form
   7,797,896/17,388,780 = 17,388,780/x
3. Step 3: Cross multiply
   7,797,896x = 17,388,780 × 17,388,780
4. Step 4: Simplify right side
   7,797,896x = 302,369,669,888,400
5. Step 5: Solve for x
   x = 302,369,669,888,400/7,797,896
6. Step 6: Final answer
   x = 38,775,801.82