Finding the Third Proportional to 1,548,990 and 3,355,320

Step by Step Solution

1. Step 1: Write the proportion equation
   1,548,990 : 3,355,320 = 3,355,320 : x
2. Step 2: Convert to fraction form
   1,548,990/3,355,320 = 3,355,320/x
3. Step 3: Cross multiply
   1,548,990x = 3,355,320 × 3,355,320
4. Step 4: Simplify right side
   1,548,990x = 11,258,172,302,400
5. Step 5: Solve for x
   x = 11,258,172,302,400/1,548,990
6. Step 6: Final answer
   x = 7,268,072.94