Finding the Third Proportional to 613,666 and 1,269,940

Step by Step Solution

1. Step 1: Write the proportion equation
   613,666 : 1,269,940 = 1,269,940 : x
2. Step 2: Convert to fraction form
   613,666/1,269,940 = 1,269,940/x
3. Step 3: Cross multiply
   613,666x = 1,269,940 × 1,269,940
4. Step 4: Simplify right side
   613,666x = 1,612,747,603,600
5. Step 5: Solve for x
   x = 1,612,747,603,600/613,666
6. Step 6: Final answer
   x = 2,628,054.35