Finding the Third Proportional to 2,608,384 and 3,990,376

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608,384 : 3,990,376 = 3,990,376 : x
2. Step 2: Convert to fraction form
   2,608,384/3,990,376 = 3,990,376/x
3. Step 3: Cross multiply
   2,608,384x = 3,990,376 × 3,990,376
4. Step 4: Simplify right side
   2,608,384x = 15,923,100,621,376
5. Step 5: Solve for x
   x = 15,923,100,621,376/2,608,384
6. Step 6: Final answer
   x = 6,104,584.53