Finding the Third Proportional to 1,312,436 and 2,806,864

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,436 : 2,806,864 = 2,806,864 : x
2. Step 2: Convert to fraction form
   1,312,436/2,806,864 = 2,806,864/x
3. Step 3: Cross multiply
   1,312,436x = 2,806,864 × 2,806,864
4. Step 4: Simplify right side
   1,312,436x = 7,878,485,514,496
5. Step 5: Solve for x
   x = 7,878,485,514,496/1,312,436
6. Step 6: Final answer
   x = 6,002,948.35