Finding the Third Proportional to 384,644.25 and 837,018

Step by Step Solution

1. Step 1: Write the proportion equation
   384,644.25 : 837,018 = 837,018 : x
2. Step 2: Convert to fraction form
   384,644.25/837,018 = 837,018/x
3. Step 3: Cross multiply
   384,644.25x = 837,018 × 837,018
4. Step 4: Simplify right side
   384,644.25x = 700,599,132,324
5. Step 5: Solve for x
   x = 700,599,132,324/384,644.25
6. Step 6: Final answer
   x = 1,821,421.05