Finding the Third Proportional to 2,996,090 and 4,239,378

Step by Step Solution

1. Step 1: Write the proportion equation
   2,996,090 : 4,239,378 = 4,239,378 : x
2. Step 2: Convert to fraction form
   2,996,090/4,239,378 = 4,239,378/x
3. Step 3: Cross multiply
   2,996,090x = 4,239,378 × 4,239,378
4. Step 4: Simplify right side
   2,996,090x = 17,972,325,826,884
5. Step 5: Solve for x
   x = 17,972,325,826,884/2,996,090
6. Step 6: Final answer
   x = 5,998,593.44