Finding the Third Proportional to 1,007,519 and 2,128,753

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,519 : 2,128,753 = 2,128,753 : x
2. Step 2: Convert to fraction form
   1,007,519/2,128,753 = 2,128,753/x
3. Step 3: Cross multiply
   1,007,519x = 2,128,753 × 2,128,753
4. Step 4: Simplify right side
   1,007,519x = 4,531,589,335,009
5. Step 5: Solve for x
   x = 4,531,589,335,009/1,007,519
6. Step 6: Final answer
   x = 4,497,770.60