Finding the Third Proportional to 1,691,616 and 3,647,304

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,616 : 3,647,304 = 3,647,304 : x
2. Step 2: Convert to fraction form
   1,691,616/3,647,304 = 3,647,304/x
3. Step 3: Cross multiply
   1,691,616x = 3,647,304 × 3,647,304
4. Step 4: Simplify right side
   1,691,616x = 13,302,826,468,416
5. Step 5: Solve for x
   x = 13,302,826,468,416/1,691,616
6. Step 6: Final answer
   x = 7,863,975.32