Finding the Third Proportional to 1,682,588 and 3,669,681

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682,588 : 3,669,681 = 3,669,681 : x
2. Step 2: Convert to fraction form
   1,682,588/3,669,681 = 3,669,681/x
3. Step 3: Cross multiply
   1,682,588x = 3,669,681 × 3,669,681
4. Step 4: Simplify right side
   1,682,588x = 13,466,558,641,761
5. Step 5: Solve for x
   x = 13,466,558,641,761/1,682,588
6. Step 6: Final answer
   x = 8,003,479.55