Finding the Third Proportional to 1,339,310 and 2,811,288

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339,310 : 2,811,288 = 2,811,288 : x
2. Step 2: Convert to fraction form
   1,339,310/2,811,288 = 2,811,288/x
3. Step 3: Cross multiply
   1,339,310x = 2,811,288 × 2,811,288
4. Step 4: Simplify right side
   1,339,310x = 7,903,340,218,944
5. Step 5: Solve for x
   x = 7,903,340,218,944/1,339,310
6. Step 6: Final answer
   x = 5,901,053.69