Finding the Third Proportional to 3,084,644 and 4,608,821

Step by Step Solution

1. Step 1: Write the proportion equation
   3,084,644 : 4,608,821 = 4,608,821 : x
2. Step 2: Convert to fraction form
   3,084,644/4,608,821 = 4,608,821/x
3. Step 3: Cross multiply
   3,084,644x = 4,608,821 × 4,608,821
4. Step 4: Simplify right side
   3,084,644x = 21,241,231,010,041
5. Step 5: Solve for x
   x = 21,241,231,010,041/3,084,644
6. Step 6: Final answer
   x = 6,886,120.74