Finding the Third Proportional to 2,639,694 and 4,117,293

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639,694 : 4,117,293 = 4,117,293 : x
2. Step 2: Convert to fraction form
   2,639,694/4,117,293 = 4,117,293/x
3. Step 3: Cross multiply
   2,639,694x = 4,117,293 × 4,117,293
4. Step 4: Simplify right side
   2,639,694x = 16,952,101,647,849
5. Step 5: Solve for x
   x = 16,952,101,647,849/2,639,694
6. Step 6: Final answer
   x = 6,421,994.99