Finding the Third Proportional to 978,427 and 1,496,821

Step by Step Solution

1. Step 1: Write the proportion equation
   978,427 : 1,496,821 = 1,496,821 : x
2. Step 2: Convert to fraction form
   978,427/1,496,821 = 1,496,821/x
3. Step 3: Cross multiply
   978,427x = 1,496,821 × 1,496,821
4. Step 4: Simplify right side
   978,427x = 2,240,473,106,041
5. Step 5: Solve for x
   x = 2,240,473,106,041/978,427
6. Step 6: Final answer
   x = 2,289,872.53