Finding the Third Proportional to 6,015,852 and 12,990,663

Step by Step Solution

1. Step 1: Write the proportion equation
   6,015,852 : 12,990,663 = 12,990,663 : x
2. Step 2: Convert to fraction form
   6,015,852/12,990,663 = 12,990,663/x
3. Step 3: Cross multiply
   6,015,852x = 12,990,663 × 12,990,663
4. Step 4: Simplify right side
   6,015,852x = 168,757,325,179,569
5. Step 5: Solve for x
   x = 168,757,325,179,569/6,015,852
6. Step 6: Final answer
   x = 28,052,107.20