Finding the Third Proportional to 1,277,430 and 2,003,913

Step by Step Solution

1. Step 1: Write the proportion equation
   1,277,430 : 2,003,913 = 2,003,913 : x
2. Step 2: Convert to fraction form
   1,277,430/2,003,913 = 2,003,913/x
3. Step 3: Cross multiply
   1,277,430x = 2,003,913 × 2,003,913
4. Step 4: Simplify right side
   1,277,430x = 4,015,667,311,569
5. Step 5: Solve for x
   x = 4,015,667,311,569/1,277,430
6. Step 6: Final answer
   x = 3,143,551.75