Finding the Third Proportional to 1,086,858 and 2,557,332

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086,858 : 2,557,332 = 2,557,332 : x
2. Step 2: Convert to fraction form
   1,086,858/2,557,332 = 2,557,332/x
3. Step 3: Cross multiply
   1,086,858x = 2,557,332 × 2,557,332
4. Step 4: Simplify right side
   1,086,858x = 6,539,946,958,224
5. Step 5: Solve for x
   x = 6,539,946,958,224/1,086,858
6. Step 6: Final answer
   x = 6,017,296.61