Finding the Third Proportional to 1,449,072 and 3,178,080

Step by Step Solution

1. Step 1: Write the proportion equation
   1,449,072 : 3,178,080 = 3,178,080 : x
2. Step 2: Convert to fraction form
   1,449,072/3,178,080 = 3,178,080/x
3. Step 3: Cross multiply
   1,449,072x = 3,178,080 × 3,178,080
4. Step 4: Simplify right side
   1,449,072x = 10,100,192,486,400
5. Step 5: Solve for x
   x = 10,100,192,486,400/1,449,072
6. Step 6: Final answer
   x = 6,970,110.86