Finding the Third Proportional to 978,328 and 1,462,992

Step by Step Solution

1. Step 1: Write the proportion equation
   978,328 : 1,462,992 = 1,462,992 : x
2. Step 2: Convert to fraction form
   978,328/1,462,992 = 1,462,992/x
3. Step 3: Cross multiply
   978,328x = 1,462,992 × 1,462,992
4. Step 4: Simplify right side
   978,328x = 2,140,345,592,064
5. Step 5: Solve for x
   x = 2,140,345,592,064/978,328
6. Step 6: Final answer
   x = 2,187,758.70