Finding the Third Proportional to 1,967,886 and 4,245,840

Step by Step Solution

1. Step 1: Write the proportion equation
   1,967,886 : 4,245,840 = 4,245,840 : x
2. Step 2: Convert to fraction form
   1,967,886/4,245,840 = 4,245,840/x
3. Step 3: Cross multiply
   1,967,886x = 4,245,840 × 4,245,840
4. Step 4: Simplify right side
   1,967,886x = 18,027,157,305,600
5. Step 5: Solve for x
   x = 18,027,157,305,600/1,967,886
6. Step 6: Final answer
   x = 9,160,671.56