Finding the Third Proportional to 1,214,828 and 2,658,448

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,828 : 2,658,448 = 2,658,448 : x
2. Step 2: Convert to fraction form
   1,214,828/2,658,448 = 2,658,448/x
3. Step 3: Cross multiply
   1,214,828x = 2,658,448 × 2,658,448
4. Step 4: Simplify right side
   1,214,828x = 7,067,345,768,704
5. Step 5: Solve for x
   x = 7,067,345,768,704/1,214,828
6. Step 6: Final answer
   x = 5,817,569.05