Finding the Third Proportional to 3,740,418 and 8,078,704

Step by Step Solution

1. Step 1: Write the proportion equation
   3,740,418 : 8,078,704 = 8,078,704 : x
2. Step 2: Convert to fraction form
   3,740,418/8,078,704 = 8,078,704/x
3. Step 3: Cross multiply
   3,740,418x = 8,078,704 × 8,078,704
4. Step 4: Simplify right side
   3,740,418x = 65,265,458,319,616
5. Step 5: Solve for x
   x = 65,265,458,319,616/3,740,418
6. Step 6: Final answer
   x = 17,448,707.16