Finding the Third Proportional to 444,830 and 978,200

Step by Step Solution

1. Step 1: Write the proportion equation
   444,830 : 978,200 = 978,200 : x
2. Step 2: Convert to fraction form
   444,830/978,200 = 978,200/x
3. Step 3: Cross multiply
   444,830x = 978,200 × 978,200
4. Step 4: Simplify right side
   444,830x = 956,875,240,000
5. Step 5: Solve for x
   x = 956,875,240,000/444,830
6. Step 6: Final answer
   x = 2,151,103.21