Finding the Third Proportional to 1,242,291 and 2,661,729

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,291 : 2,661,729 = 2,661,729 : x
2. Step 2: Convert to fraction form
   1,242,291/2,661,729 = 2,661,729/x
3. Step 3: Cross multiply
   1,242,291x = 2,661,729 × 2,661,729
4. Step 4: Simplify right side
   1,242,291x = 7,084,801,269,441
5. Step 5: Solve for x
   x = 7,084,801,269,441/1,242,291
6. Step 6: Final answer
   x = 5,703,012.64