Finding the Third Proportional to 2,618,404 and 4,063,815

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618,404 : 4,063,815 = 4,063,815 : x
2. Step 2: Convert to fraction form
   2,618,404/4,063,815 = 4,063,815/x
3. Step 3: Cross multiply
   2,618,404x = 4,063,815 × 4,063,815
4. Step 4: Simplify right side
   2,618,404x = 16,514,592,354,225
5. Step 5: Solve for x
   x = 16,514,592,354,225/2,618,404
6. Step 6: Final answer
   x = 6,307,121.57