Finding the Third Proportional to 5,776,780 and 8,075,878

Step by Step Solution

1. Step 1: Write the proportion equation
   5,776,780 : 8,075,878 = 8,075,878 : x
2. Step 2: Convert to fraction form
   5,776,780/8,075,878 = 8,075,878/x
3. Step 3: Cross multiply
   5,776,780x = 8,075,878 × 8,075,878
4. Step 4: Simplify right side
   5,776,780x = 65,219,805,470,884
5. Step 5: Solve for x
   x = 65,219,805,470,884/5,776,780
6. Step 6: Final answer
   x = 11,289,992.95