Finding the Third Proportional to 3,651,768 and 5,342,436

Step by Step Solution

1. Step 1: Write the proportion equation
   3,651,768 : 5,342,436 = 5,342,436 : x
2. Step 2: Convert to fraction form
   3,651,768/5,342,436 = 5,342,436/x
3. Step 3: Cross multiply
   3,651,768x = 5,342,436 × 5,342,436
4. Step 4: Simplify right side
   3,651,768x = 28,541,622,414,096
5. Step 5: Solve for x
   x = 28,541,622,414,096/3,651,768
6. Step 6: Final answer
   x = 7,815,836.72