Finding the Third Proportional to 2,878,694 and 6,155,980

Step by Step Solution

1. Step 1: Write the proportion equation
   2,878,694 : 6,155,980 = 6,155,980 : x
2. Step 2: Convert to fraction form
   2,878,694/6,155,980 = 6,155,980/x
3. Step 3: Cross multiply
   2,878,694x = 6,155,980 × 6,155,980
4. Step 4: Simplify right side
   2,878,694x = 37,896,089,760,400
5. Step 5: Solve for x
   x = 37,896,089,760,400/2,878,694
6. Step 6: Final answer
   x = 13,164,334.16