Finding the Third Proportional to 654,929 and 978,349

Step by Step Solution

1. Step 1: Write the proportion equation
   654,929 : 978,349 = 978,349 : x
2. Step 2: Convert to fraction form
   654,929/978,349 = 978,349/x
3. Step 3: Cross multiply
   654,929x = 978,349 × 978,349
4. Step 4: Simplify right side
   654,929x = 957,166,765,801
5. Step 5: Solve for x
   x = 957,166,765,801/654,929
6. Step 6: Final answer
   x = 1,461,481.73