Finding the Third Proportional to 515,858 and 1,158,692

Step by Step Solution

1. Step 1: Write the proportion equation
   515,858 : 1,158,692 = 1,158,692 : x
2. Step 2: Convert to fraction form
   515,858/1,158,692 = 1,158,692/x
3. Step 3: Cross multiply
   515,858x = 1,158,692 × 1,158,692
4. Step 4: Simplify right side
   515,858x = 1,342,567,150,864
5. Step 5: Solve for x
   x = 1,342,567,150,864/515,858
6. Step 6: Final answer
   x = 2,602,590.54