Finding the Third Proportional to 1,021,504 and 2,219,912

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021,504 : 2,219,912 = 2,219,912 : x
2. Step 2: Convert to fraction form
   1,021,504/2,219,912 = 2,219,912/x
3. Step 3: Cross multiply
   1,021,504x = 2,219,912 × 2,219,912
4. Step 4: Simplify right side
   1,021,504x = 4,928,009,287,744
5. Step 5: Solve for x
   x = 4,928,009,287,744/1,021,504
6. Step 6: Final answer
   x = 4,824,268.22