Finding the Third Proportional to 3,679,397 and 8,042,794

Step by Step Solution

1. Step 1: Write the proportion equation
   3,679,397 : 8,042,794 = 8,042,794 : x
2. Step 2: Convert to fraction form
   3,679,397/8,042,794 = 8,042,794/x
3. Step 3: Cross multiply
   3,679,397x = 8,042,794 × 8,042,794
4. Step 4: Simplify right side
   3,679,397x = 64,686,535,326,436
5. Step 5: Solve for x
   x = 64,686,535,326,436/3,679,397
6. Step 6: Final answer
   x = 17,580,743.62