Finding the Third Proportional to 1,238,172.75 and 2,682,443.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238,172.75 : 2,682,443.25 = 2,682,443.25 : x
2. Step 2: Convert to fraction form
   1,238,172.75/2,682,443.25 = 2,682,443.25/x
3. Step 3: Cross multiply
   1,238,172.75x = 2,682,443.25 × 2,682,443.25
4. Step 4: Simplify right side
   1,238,172.75x = 7,195,501,789,470.56
5. Step 5: Solve for x
   x = 7,195,501,789,470.56/1,238,172.75
6. Step 6: Final answer
   x = 5,811,387.62