Finding the Third Proportional to 1,282,455 and 2,001,321

Step by Step Solution

1. Step 1: Write the proportion equation
   1,282,455 : 2,001,321 = 2,001,321 : x
2. Step 2: Convert to fraction form
   1,282,455/2,001,321 = 2,001,321/x
3. Step 3: Cross multiply
   1,282,455x = 2,001,321 × 2,001,321
4. Step 4: Simplify right side
   1,282,455x = 4,005,285,745,041
5. Step 5: Solve for x
   x = 4,005,285,745,041/1,282,455
6. Step 6: Final answer
   x = 3,123,139.40