Finding the Third Proportional to 591,678 and 1,277,910

Step by Step Solution

1. Step 1: Write the proportion equation
   591,678 : 1,277,910 = 1,277,910 : x
2. Step 2: Convert to fraction form
   591,678/1,277,910 = 1,277,910/x
3. Step 3: Cross multiply
   591,678x = 1,277,910 × 1,277,910
4. Step 4: Simplify right side
   591,678x = 1,633,053,968,100
5. Step 5: Solve for x
   x = 1,633,053,968,100/591,678
6. Step 6: Final answer
   x = 2,760,038.35