Finding the Third Proportional to 1,638,878 and 2,570,914

Step by Step Solution

1. Step 1: Write the proportion equation
   1,638,878 : 2,570,914 = 2,570,914 : x
2. Step 2: Convert to fraction form
   1,638,878/2,570,914 = 2,570,914/x
3. Step 3: Cross multiply
   1,638,878x = 2,570,914 × 2,570,914
4. Step 4: Simplify right side
   1,638,878x = 6,609,598,795,396
5. Step 5: Solve for x
   x = 6,609,598,795,396/1,638,878
6. Step 6: Final answer
   x = 4,033,002.33