Finding the Third Proportional to 3,651,770 and 5,342,439

Step by Step Solution

1. Step 1: Write the proportion equation
   3,651,770 : 5,342,439 = 5,342,439 : x
2. Step 2: Convert to fraction form
   3,651,770/5,342,439 = 5,342,439/x
3. Step 3: Cross multiply
   3,651,770x = 5,342,439 × 5,342,439
4. Step 4: Simplify right side
   3,651,770x = 28,541,654,468,721
5. Step 5: Solve for x
   x = 28,541,654,468,721/3,651,770
6. Step 6: Final answer
   x = 7,815,841.21