Finding the Third Proportional to 1,007,501 and 2,128,718

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,501 : 2,128,718 = 2,128,718 : x
2. Step 2: Convert to fraction form
   1,007,501/2,128,718 = 2,128,718/x
3. Step 3: Cross multiply
   1,007,501x = 2,128,718 × 2,128,718
4. Step 4: Simplify right side
   1,007,501x = 4,531,440,323,524
5. Step 5: Solve for x
   x = 4,531,440,323,524/1,007,501
6. Step 6: Final answer
   x = 4,497,703.05