Finding the Third Proportional to 3,591,069 and 7,879,818

Step by Step Solution

1. Step 1: Write the proportion equation
   3,591,069 : 7,879,818 = 7,879,818 : x
2. Step 2: Convert to fraction form
   3,591,069/7,879,818 = 7,879,818/x
3. Step 3: Cross multiply
   3,591,069x = 7,879,818 × 7,879,818
4. Step 4: Simplify right side
   3,591,069x = 62,091,531,713,124
5. Step 5: Solve for x
   x = 62,091,531,713,124/3,591,069
6. Step 6: Final answer
   x = 17,290,542.65