Finding the Third Proportional to 1,203,480 and 2,643,144

Step by Step Solution

1. Step 1: Write the proportion equation
   1,203,480 : 2,643,144 = 2,643,144 : x
2. Step 2: Convert to fraction form
   1,203,480/2,643,144 = 2,643,144/x
3. Step 3: Cross multiply
   1,203,480x = 2,643,144 × 2,643,144
4. Step 4: Simplify right side
   1,203,480x = 6,986,210,204,736
5. Step 5: Solve for x
   x = 6,986,210,204,736/1,203,480
6. Step 6: Final answer
   x = 5,805,007.32