Finding the Third Proportional to 275,870 and 591,112

Step by Step Solution

1. Step 1: Write the proportion equation
   275,870 : 591,112 = 591,112 : x
2. Step 2: Convert to fraction form
   275,870/591,112 = 591,112/x
3. Step 3: Cross multiply
   275,870x = 591,112 × 591,112
4. Step 4: Simplify right side
   275,870x = 349,413,396,544
5. Step 5: Solve for x
   x = 349,413,396,544/275,870
6. Step 6: Final answer
   x = 1,266,587.15