Finding the Third Proportional to 1,439,338 and 2,112,303

Step by Step Solution

1. Step 1: Write the proportion equation
   1,439,338 : 2,112,303 = 2,112,303 : x
2. Step 2: Convert to fraction form
   1,439,338/2,112,303 = 2,112,303/x
3. Step 3: Cross multiply
   1,439,338x = 2,112,303 × 2,112,303
4. Step 4: Simplify right side
   1,439,338x = 4,461,823,963,809
5. Step 5: Solve for x
   x = 4,461,823,963,809/1,439,338
6. Step 6: Final answer
   x = 3,099,913.96