Finding the Third Proportional to 1,682,909 and 3,622,417

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682,909 : 3,622,417 = 3,622,417 : x
2. Step 2: Convert to fraction form
   1,682,909/3,622,417 = 3,622,417/x
3. Step 3: Cross multiply
   1,682,909x = 3,622,417 × 3,622,417
4. Step 4: Simplify right side
   1,682,909x = 13,121,904,921,889
5. Step 5: Solve for x
   x = 13,121,904,921,889/1,682,909
6. Step 6: Final answer
   x = 7,797,156.54