Finding the Third Proportional to 3,110,412 and 4,665,621

Step by Step Solution

1. Step 1: Write the proportion equation
   3,110,412 : 4,665,621 = 4,665,621 : x
2. Step 2: Convert to fraction form
   3,110,412/4,665,621 = 4,665,621/x
3. Step 3: Cross multiply
   3,110,412x = 4,665,621 × 4,665,621
4. Step 4: Simplify right side
   3,110,412x = 21,768,019,315,641
5. Step 5: Solve for x
   x = 21,768,019,315,641/3,110,412
6. Step 6: Final answer
   x = 6,998,436.00