Finding the Third Proportional to 1,007,504 and 2,128,722

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,504 : 2,128,722 = 2,128,722 : x
2. Step 2: Convert to fraction form
   1,007,504/2,128,722 = 2,128,722/x
3. Step 3: Cross multiply
   1,007,504x = 2,128,722 × 2,128,722
4. Step 4: Simplify right side
   1,007,504x = 4,531,457,353,284
5. Step 5: Solve for x
   x = 4,531,457,353,284/1,007,504
6. Step 6: Final answer
   x = 4,497,706.56