Finding the Third Proportional to 1,248,576 and 2,686,530

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,576 : 2,686,530 = 2,686,530 : x
2. Step 2: Convert to fraction form
   1,248,576/2,686,530 = 2,686,530/x
3. Step 3: Cross multiply
   1,248,576x = 2,686,530 × 2,686,530
4. Step 4: Simplify right side
   1,248,576x = 7,217,443,440,900
5. Step 5: Solve for x
   x = 7,217,443,440,900/1,248,576
6. Step 6: Final answer
   x = 5,780,539.94