Finding the Third Proportional to 3,259,878 and 7,080,708

Step by Step Solution

1. Step 1: Write the proportion equation
   3,259,878 : 7,080,708 = 7,080,708 : x
2. Step 2: Convert to fraction form
   3,259,878/7,080,708 = 7,080,708/x
3. Step 3: Cross multiply
   3,259,878x = 7,080,708 × 7,080,708
4. Step 4: Simplify right side
   3,259,878x = 50,136,425,781,264
5. Step 5: Solve for x
   x = 50,136,425,781,264/3,259,878
6. Step 6: Final answer
   x = 15,379,847.28