Finding the Third Proportional to 2,815,603,560 and 4,259,644,380

Step by Step Solution

1. Step 1: Write the proportion equation
   2,815,603,560 : 4,259,644,380 = 4,259,644,380 : x
2. Step 2: Convert to fraction form
   2,815,603,560/4,259,644,380 = 4,259,644,380/x
3. Step 3: Cross multiply
   2,815,603,560x = 4,259,644,380 × 4,259,644,380
4. Step 4: Simplify right side
   2,815,603,560x = 18,144,570,244,065,585,152
5. Step 5: Solve for x
   x = 18,144,570,244,065,585,152/2,815,603,560
6. Step 6: Final answer
   x = 6,444,291,555.05