Finding the Third Proportional to 978,326 and 1,462,990

Step by Step Solution

1. Step 1: Write the proportion equation
   978,326 : 1,462,990 = 1,462,990 : x
2. Step 2: Convert to fraction form
   978,326/1,462,990 = 1,462,990/x
3. Step 3: Cross multiply
   978,326x = 1,462,990 × 1,462,990
4. Step 4: Simplify right side
   978,326x = 2,140,339,740,100
5. Step 5: Solve for x
   x = 2,140,339,740,100/978,326
6. Step 6: Final answer
   x = 2,187,757.19