Finding the Third Proportional to 1,515,288 and 3,082,800

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515,288 : 3,082,800 = 3,082,800 : x
2. Step 2: Convert to fraction form
   1,515,288/3,082,800 = 3,082,800/x
3. Step 3: Cross multiply
   1,515,288x = 3,082,800 × 3,082,800
4. Step 4: Simplify right side
   1,515,288x = 9,503,655,840,000
5. Step 5: Solve for x
   x = 9,503,655,840,000/1,515,288
6. Step 6: Final answer
   x = 6,271,847.89