Finding the Third Proportional to 581,091 and 1,258,692

Step by Step Solution

1. Step 1: Write the proportion equation
   581,091 : 1,258,692 = 1,258,692 : x
2. Step 2: Convert to fraction form
   581,091/1,258,692 = 1,258,692/x
3. Step 3: Cross multiply
   581,091x = 1,258,692 × 1,258,692
4. Step 4: Simplify right side
   581,091x = 1,584,305,550,864
5. Step 5: Solve for x
   x = 1,584,305,550,864/581,091
6. Step 6: Final answer
   x = 2,726,432.78