Finding the Third Proportional to 1,449,945 and 3,178,764

Step by Step Solution

1. Step 1: Write the proportion equation
   1,449,945 : 3,178,764 = 3,178,764 : x
2. Step 2: Convert to fraction form
   1,449,945/3,178,764 = 3,178,764/x
3. Step 3: Cross multiply
   1,449,945x = 3,178,764 × 3,178,764
4. Step 4: Simplify right side
   1,449,945x = 10,104,540,567,696
5. Step 5: Solve for x
   x = 10,104,540,567,696/1,449,945
6. Step 6: Final answer
   x = 6,968,913.01