Finding the Third Proportional to 865,488 and 1,876,956

Step by Step Solution

1. Step 1: Write the proportion equation
   865,488 : 1,876,956 = 1,876,956 : x
2. Step 2: Convert to fraction form
   865,488/1,876,956 = 1,876,956/x
3. Step 3: Cross multiply
   865,488x = 1,876,956 × 1,876,956
4. Step 4: Simplify right side
   865,488x = 3,522,963,825,936
5. Step 5: Solve for x
   x = 3,522,963,825,936/865,488
6. Step 6: Final answer
   x = 4,070,494.13