Finding the Third Proportional to 1,428,912 and 3,054,339

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,912 : 3,054,339 = 3,054,339 : x
2. Step 2: Convert to fraction form
   1,428,912/3,054,339 = 3,054,339/x
3. Step 3: Cross multiply
   1,428,912x = 3,054,339 × 3,054,339
4. Step 4: Simplify right side
   1,428,912x = 9,328,986,726,921
5. Step 5: Solve for x
   x = 9,328,986,726,921/1,428,912
6. Step 6: Final answer
   x = 6,528,734.26