Finding the Third Proportional to 1,218,736 and 2,673,772

Step by Step Solution

1. Step 1: Write the proportion equation
   1,218,736 : 2,673,772 = 2,673,772 : x
2. Step 2: Convert to fraction form
   1,218,736/2,673,772 = 2,673,772/x
3. Step 3: Cross multiply
   1,218,736x = 2,673,772 × 2,673,772
4. Step 4: Simplify right side
   1,218,736x = 7,149,056,707,984
5. Step 5: Solve for x
   x = 7,149,056,707,984/1,218,736
6. Step 6: Final answer
   x = 5,865,960.07