Finding the Third Proportional to 2,622,880 and 4,170,624

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622,880 : 4,170,624 = 4,170,624 : x
2. Step 2: Convert to fraction form
   2,622,880/4,170,624 = 4,170,624/x
3. Step 3: Cross multiply
   2,622,880x = 4,170,624 × 4,170,624
4. Step 4: Simplify right side
   2,622,880x = 17,394,104,549,376
5. Step 5: Solve for x
   x = 17,394,104,549,376/2,622,880
6. Step 6: Final answer
   x = 6,631,681.41