Finding the Third Proportional to 2,521,568,666 and 5,518,145,596

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521,568,666 : 5,518,145,596 = 5,518,145,596 : x
2. Step 2: Convert to fraction form
   2,521,568,666/5,518,145,596 = 5,518,145,596/x
3. Step 3: Cross multiply
   2,521,568,666x = 5,518,145,596 × 5,518,145,596
4. Step 4: Simplify right side
   2,521,568,666x = 30,449,930,818,654,195,712
5. Step 5: Solve for x
   x = 30,449,930,818,654,195,712/2,521,568,666
6. Step 6: Final answer
   x = 12,075,788,864.78