Finding the Third Proportional to 308,449 and 713,996

Step by Step Solution

1. Step 1: Write the proportion equation
   308,449 : 713,996 = 713,996 : x
2. Step 2: Convert to fraction form
   308,449/713,996 = 713,996/x
3. Step 3: Cross multiply
   308,449x = 713,996 × 713,996
4. Step 4: Simplify right side
   308,449x = 509,790,288,016
5. Step 5: Solve for x
   x = 509,790,288,016/308,449
6. Step 6: Final answer
   x = 1,652,753.90