Finding the Third Proportional to 1,282,391 and 2,001,225

Step by Step Solution

1. Step 1: Write the proportion equation
   1,282,391 : 2,001,225 = 2,001,225 : x
2. Step 2: Convert to fraction form
   1,282,391/2,001,225 = 2,001,225/x
3. Step 3: Cross multiply
   1,282,391x = 2,001,225 × 2,001,225
4. Step 4: Simplify right side
   1,282,391x = 4,004,901,500,625
5. Step 5: Solve for x
   x = 4,004,901,500,625/1,282,391
6. Step 6: Final answer
   x = 3,122,995.64