Finding the Third Proportional to 1,439,403 and 3,078,120

Step by Step Solution

1. Step 1: Write the proportion equation
   1,439,403 : 3,078,120 = 3,078,120 : x
2. Step 2: Convert to fraction form
   1,439,403/3,078,120 = 3,078,120/x
3. Step 3: Cross multiply
   1,439,403x = 3,078,120 × 3,078,120
4. Step 4: Simplify right side
   1,439,403x = 9,474,822,734,400
5. Step 5: Solve for x
   x = 9,474,822,734,400/1,439,403
6. Step 6: Final answer
   x = 6,582,466.99