Finding the Third Proportional to 663,288 and 1,450,992

Step by Step Solution

1. Step 1: Write the proportion equation
   663,288 : 1,450,992 = 1,450,992 : x
2. Step 2: Convert to fraction form
   663,288/1,450,992 = 1,450,992/x
3. Step 3: Cross multiply
   663,288x = 1,450,992 × 1,450,992
4. Step 4: Simplify right side
   663,288x = 2,105,377,784,064
5. Step 5: Solve for x
   x = 2,105,377,784,064/663,288
6. Step 6: Final answer
   x = 3,174,153.28