Finding the Third Proportional to 2,646,396 and 3,959,172

Step by Step Solution

1. Step 1: Write the proportion equation
   2,646,396 : 3,959,172 = 3,959,172 : x
2. Step 2: Convert to fraction form
   2,646,396/3,959,172 = 3,959,172/x
3. Step 3: Cross multiply
   2,646,396x = 3,959,172 × 3,959,172
4. Step 4: Simplify right side
   2,646,396x = 15,675,042,925,584
5. Step 5: Solve for x
   x = 15,675,042,925,584/2,646,396
6. Step 6: Final answer
   x = 5,923,166.04