Finding the Third Proportional to 3,015,994 and 4,218,904

Step by Step Solution

1. Step 1: Write the proportion equation
   3,015,994 : 4,218,904 = 4,218,904 : x
2. Step 2: Convert to fraction form
   3,015,994/4,218,904 = 4,218,904/x
3. Step 3: Cross multiply
   3,015,994x = 4,218,904 × 4,218,904
4. Step 4: Simplify right side
   3,015,994x = 17,799,150,961,216
5. Step 5: Solve for x
   x = 17,799,150,961,216/3,015,994
6. Step 6: Final answer
   x = 5,901,586.99