Finding the Third Proportional to 978,876 and 2,010,456

Step by Step Solution

1. Step 1: Write the proportion equation
   978,876 : 2,010,456 = 2,010,456 : x
2. Step 2: Convert to fraction form
   978,876/2,010,456 = 2,010,456/x
3. Step 3: Cross multiply
   978,876x = 2,010,456 × 2,010,456
4. Step 4: Simplify right side
   978,876x = 4,041,933,327,936
5. Step 5: Solve for x
   x = 4,041,933,327,936/978,876
6. Step 6: Final answer
   x = 4,129,157.65