Finding the Third Proportional to 1,449,056 and 3,178,048

Step by Step Solution

1. Step 1: Write the proportion equation
   1,449,056 : 3,178,048 = 3,178,048 : x
2. Step 2: Convert to fraction form
   1,449,056/3,178,048 = 3,178,048/x
3. Step 3: Cross multiply
   1,449,056x = 3,178,048 × 3,178,048
4. Step 4: Simplify right side
   1,449,056x = 10,099,989,090,304
5. Step 5: Solve for x
   x = 10,099,989,090,304/1,449,056
6. Step 6: Final answer
   x = 6,970,047.46