Finding the Third Proportional to 1,440,628 and 3,125,448

Step by Step Solution

1. Step 1: Write the proportion equation
   1,440,628 : 3,125,448 = 3,125,448 : x
2. Step 2: Convert to fraction form
   1,440,628/3,125,448 = 3,125,448/x
3. Step 3: Cross multiply
   1,440,628x = 3,125,448 × 3,125,448
4. Step 4: Simplify right side
   1,440,628x = 9,768,425,200,704
5. Step 5: Solve for x
   x = 9,768,425,200,704/1,440,628
6. Step 6: Final answer
   x = 6,780,671.49