Finding the Third Proportional to 978,868 and 2,010,436

Step by Step Solution

1. Step 1: Write the proportion equation
   978,868 : 2,010,436 = 2,010,436 : x
2. Step 2: Convert to fraction form
   978,868/2,010,436 = 2,010,436/x
3. Step 3: Cross multiply
   978,868x = 2,010,436 × 2,010,436
4. Step 4: Simplify right side
   978,868x = 4,041,852,910,096
5. Step 5: Solve for x
   x = 4,041,852,910,096/978,868
6. Step 6: Final answer
   x = 4,129,109.25