Finding the Third Proportional to 3,647,072 and 7,936,312

Step by Step Solution

1. Step 1: Write the proportion equation
   3,647,072 : 7,936,312 = 7,936,312 : x
2. Step 2: Convert to fraction form
   3,647,072/7,936,312 = 7,936,312/x
3. Step 3: Cross multiply
   3,647,072x = 7,936,312 × 7,936,312
4. Step 4: Simplify right side
   3,647,072x = 62,985,048,161,344
5. Step 5: Solve for x
   x = 62,985,048,161,344/3,647,072
6. Step 6: Final answer
   x = 17,270,031.46