Finding the Third Proportional to 2,878,896 and 4,302,486

Step by Step Solution

1. Step 1: Write the proportion equation
   2,878,896 : 4,302,486 = 4,302,486 : x
2. Step 2: Convert to fraction form
   2,878,896/4,302,486 = 4,302,486/x
3. Step 3: Cross multiply
   2,878,896x = 4,302,486 × 4,302,486
4. Step 4: Simplify right side
   2,878,896x = 18,511,385,780,196
5. Step 5: Solve for x
   x = 18,511,385,780,196/2,878,896
6. Step 6: Final answer
   x = 6,430,029.35