Finding the Third Proportional to 2,528,821 and 5,477,546

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528,821 : 5,477,546 = 5,477,546 : x
2. Step 2: Convert to fraction form
   2,528,821/5,477,546 = 5,477,546/x
3. Step 3: Cross multiply
   2,528,821x = 5,477,546 × 5,477,546
4. Step 4: Simplify right side
   2,528,821x = 30,003,510,182,116
5. Step 5: Solve for x
   x = 30,003,510,182,116/2,528,821
6. Step 6: Final answer
   x = 11,864,623.94