Finding the Third Proportional to 384,648 and 837,025

Step by Step Solution

1. Step 1: Write the proportion equation
   384,648 : 837,025 = 837,025 : x
2. Step 2: Convert to fraction form
   384,648/837,025 = 837,025/x
3. Step 3: Cross multiply
   384,648x = 837,025 × 837,025
4. Step 4: Simplify right side
   384,648x = 700,610,850,625
5. Step 5: Solve for x
   x = 700,610,850,625/384,648
6. Step 6: Final answer
   x = 1,821,433.75