Finding the Third Proportional to 223,438 and 487,024

Step by Step Solution

1. Step 1: Write the proportion equation
   223,438 : 487,024 = 487,024 : x
2. Step 2: Convert to fraction form
   223,438/487,024 = 487,024/x
3. Step 3: Cross multiply
   223,438x = 487,024 × 487,024
4. Step 4: Simplify right side
   223,438x = 237,192,376,576
5. Step 5: Solve for x
   x = 237,192,376,576/223,438
6. Step 6: Final answer
   x = 1,061,557.91