Finding the Third Proportional to 1,641,420 and 2,521,422

Step by Step Solution

1. Step 1: Write the proportion equation
   1,641,420 : 2,521,422 = 2,521,422 : x
2. Step 2: Convert to fraction form
   1,641,420/2,521,422 = 2,521,422/x
3. Step 3: Cross multiply
   1,641,420x = 2,521,422 × 2,521,422
4. Step 4: Simplify right side
   1,641,420x = 6,357,568,902,084
5. Step 5: Solve for x
   x = 6,357,568,902,084/1,641,420
6. Step 6: Final answer
   x = 3,873,212.77