Finding the Third Proportional to 1,686,722 and 2,682,591

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686,722 : 2,682,591 = 2,682,591 : x
2. Step 2: Convert to fraction form
   1,686,722/2,682,591 = 2,682,591/x
3. Step 3: Cross multiply
   1,686,722x = 2,682,591 × 2,682,591
4. Step 4: Simplify right side
   1,686,722x = 7,196,294,473,281
5. Step 5: Solve for x
   x = 7,196,294,473,281/1,686,722
6. Step 6: Final answer
   x = 4,266,437.78