Finding the Third Proportional to 1,428,920 and 3,054,364

Step by Step Solution

1. Step 1: Write the proportion equation
   1,428,920 : 3,054,364 = 3,054,364 : x
2. Step 2: Convert to fraction form
   1,428,920/3,054,364 = 3,054,364/x
3. Step 3: Cross multiply
   1,428,920x = 3,054,364 × 3,054,364
4. Step 4: Simplify right side
   1,428,920x = 9,329,139,444,496
5. Step 5: Solve for x
   x = 9,329,139,444,496/1,428,920
6. Step 6: Final answer
   x = 6,528,804.58