Finding the Third Proportional to 7,909,456 and 17,338,514

Step by Step Solution

1. Step 1: Write the proportion equation
   7,909,456 : 17,338,514 = 17,338,514 : x
2. Step 2: Convert to fraction form
   7,909,456/17,338,514 = 17,338,514/x
3. Step 3: Cross multiply
   7,909,456x = 17,338,514 × 17,338,514
4. Step 4: Simplify right side
   7,909,456x = 300,624,067,728,196
5. Step 5: Solve for x
   x = 300,624,067,728,196/7,909,456
6. Step 6: Final answer
   x = 38,008,185.11