Finding the Third Proportional to 1,277,428 and 2,003,910

Step by Step Solution

1. Step 1: Write the proportion equation
   1,277,428 : 2,003,910 = 2,003,910 : x
2. Step 2: Convert to fraction form
   1,277,428/2,003,910 = 2,003,910/x
3. Step 3: Cross multiply
   1,277,428x = 2,003,910 × 2,003,910
4. Step 4: Simplify right side
   1,277,428x = 4,015,655,288,100
5. Step 5: Solve for x
   x = 4,015,655,288,100/1,277,428
6. Step 6: Final answer
   x = 3,143,547.26