Finding the Third Proportional to 1,388,812 and 3,043,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,388,812 : 3,043,520 = 3,043,520 : x
2. Step 2: Convert to fraction form
   1,388,812/3,043,520 = 3,043,520/x
3. Step 3: Cross multiply
   1,388,812x = 3,043,520 × 3,043,520
4. Step 4: Simplify right side
   1,388,812x = 9,263,013,990,400
5. Step 5: Solve for x
   x = 9,263,013,990,400/1,388,812
6. Step 6: Final answer
   x = 6,669,739.31