Finding the Third Proportional to 613,881 and 1,339,267

Step by Step Solution

1. Step 1: Write the proportion equation
   613,881 : 1,339,267 = 1,339,267 : x
2. Step 2: Convert to fraction form
   613,881/1,339,267 = 1,339,267/x
3. Step 3: Cross multiply
   613,881x = 1,339,267 × 1,339,267
4. Step 4: Simplify right side
   613,881x = 1,793,636,097,289
5. Step 5: Solve for x
   x = 1,793,636,097,289/613,881
6. Step 6: Final answer
   x = 2,921,797.71