Finding the Third Proportional to 1,299,654 and 2,008,485

Step by Step Solution

1. Step 1: Write the proportion equation
   1,299,654 : 2,008,485 = 2,008,485 : x
2. Step 2: Convert to fraction form
   1,299,654/2,008,485 = 2,008,485/x
3. Step 3: Cross multiply
   1,299,654x = 2,008,485 × 2,008,485
4. Step 4: Simplify right side
   1,299,654x = 4,034,011,995,225
5. Step 5: Solve for x
   x = 4,034,011,995,225/1,299,654
6. Step 6: Final answer
   x = 3,103,912.27