Finding the Third Proportional to 637,848 and 978,723

Step by Step Solution

1. Step 1: Write the proportion equation
   637,848 : 978,723 = 978,723 : x
2. Step 2: Convert to fraction form
   637,848/978,723 = 978,723/x
3. Step 3: Cross multiply
   637,848x = 978,723 × 978,723
4. Step 4: Simplify right side
   637,848x = 957,898,710,729
5. Step 5: Solve for x
   x = 957,898,710,729/637,848
6. Step 6: Final answer
   x = 1,501,766.43