Finding the Third Proportional to 515,162 and 1,118,992

Step by Step Solution

1. Step 1: Write the proportion equation
   515,162 : 1,118,992 = 1,118,992 : x
2. Step 2: Convert to fraction form
   515,162/1,118,992 = 1,118,992/x
3. Step 3: Cross multiply
   515,162x = 1,118,992 × 1,118,992
4. Step 4: Simplify right side
   515,162x = 1,252,143,096,064
5. Step 5: Solve for x
   x = 1,252,143,096,064/515,162
6. Step 6: Final answer
   x = 2,430,581.25