Finding the Third Proportional to 3,661,566 and 7,974,072

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661,566 : 7,974,072 = 7,974,072 : x
2. Step 2: Convert to fraction form
   3,661,566/7,974,072 = 7,974,072/x
3. Step 3: Cross multiply
   3,661,566x = 7,974,072 × 7,974,072
4. Step 4: Simplify right side
   3,661,566x = 63,585,824,261,184
5. Step 5: Solve for x
   x = 63,585,824,261,184/3,661,566
6. Step 6: Final answer
   x = 17,365,745.77