Finding the Third Proportional to 663,740 and 1,456,504

Step by Step Solution

1. Step 1: Write the proportion equation
   663,740 : 1,456,504 = 1,456,504 : x
2. Step 2: Convert to fraction form
   663,740/1,456,504 = 1,456,504/x
3. Step 3: Cross multiply
   663,740x = 1,456,504 × 1,456,504
4. Step 4: Simplify right side
   663,740x = 2,121,403,902,016
5. Step 5: Solve for x
   x = 2,121,403,902,016/663,740
6. Step 6: Final answer
   x = 3,196,136.89