Finding the Third Proportional to 276,018 and 591,384

Step by Step Solution

1. Step 1: Write the proportion equation
   276,018 : 591,384 = 591,384 : x
2. Step 2: Convert to fraction form
   276,018/591,384 = 591,384/x
3. Step 3: Cross multiply
   276,018x = 591,384 × 591,384
4. Step 4: Simplify right side
   276,018x = 349,735,035,456
5. Step 5: Solve for x
   x = 349,735,035,456/276,018
6. Step 6: Final answer
   x = 1,267,073.29