Finding the Third Proportional to 1,203,588 and 2,643,336

Step by Step Solution

1. Step 1: Write the proportion equation
   1,203,588 : 2,643,336 = 2,643,336 : x
2. Step 2: Convert to fraction form
   1,203,588/2,643,336 = 2,643,336/x
3. Step 3: Cross multiply
   1,203,588x = 2,643,336 × 2,643,336
4. Step 4: Simplify right side
   1,203,588x = 6,987,225,208,896
5. Step 5: Solve for x
   x = 6,987,225,208,896/1,203,588
6. Step 6: Final answer
   x = 5,805,329.74