Finding the Third Proportional to 1,449,091 and 3,178,118

Step by Step Solution

1. Step 1: Write the proportion equation
   1,449,091 : 3,178,118 = 3,178,118 : x
2. Step 2: Convert to fraction form
   1,449,091/3,178,118 = 3,178,118/x
3. Step 3: Cross multiply
   1,449,091x = 3,178,118 × 3,178,118
4. Step 4: Simplify right side
   1,449,091x = 10,100,434,021,924
5. Step 5: Solve for x
   x = 10,100,434,021,924/1,449,091
6. Step 6: Final answer
   x = 6,970,186.15