Finding the Third Proportional to 1,678,194 and 3,621,744

Step by Step Solution

1. Step 1: Write the proportion equation
   1,678,194 : 3,621,744 = 3,621,744 : x
2. Step 2: Convert to fraction form
   1,678,194/3,621,744 = 3,621,744/x
3. Step 3: Cross multiply
   1,678,194x = 3,621,744 × 3,621,744
4. Step 4: Simplify right side
   1,678,194x = 13,117,029,601,536
5. Step 5: Solve for x
   x = 13,117,029,601,536/1,678,194
6. Step 6: Final answer
   x = 7,816,158.09