Finding the Third Proportional to 2,618,436 and 4,063,864

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618,436 : 4,063,864 = 4,063,864 : x
2. Step 2: Convert to fraction form
   2,618,436/4,063,864 = 4,063,864/x
3. Step 3: Cross multiply
   2,618,436x = 4,063,864 × 4,063,864
4. Step 4: Simplify right side
   2,618,436x = 16,514,990,610,496
5. Step 5: Solve for x
   x = 16,514,990,610,496/2,618,436
6. Step 6: Final answer
   x = 6,307,196.59