Finding the Third Proportional to 1,273,764 and 1,858,136

Step by Step Solution

1. Step 1: Write the proportion equation
   1,273,764 : 1,858,136 = 1,858,136 : x
2. Step 2: Convert to fraction form
   1,273,764/1,858,136 = 1,858,136/x
3. Step 3: Cross multiply
   1,273,764x = 1,858,136 × 1,858,136
4. Step 4: Simplify right side
   1,273,764x = 3,452,669,394,496
5. Step 5: Solve for x
   x = 3,452,669,394,496/1,273,764
6. Step 6: Final answer
   x = 2,710,603.69