Finding the Third Proportional to 389,025 and 805,050

Step by Step Solution

1. Step 1: Write the proportion equation
   389,025 : 805,050 = 805,050 : x
2. Step 2: Convert to fraction form
   389,025/805,050 = 805,050/x
3. Step 3: Cross multiply
   389,025x = 805,050 × 805,050
4. Step 4: Simplify right side
   389,025x = 648,105,502,500
5. Step 5: Solve for x
   x = 648,105,502,500/389,025
6. Step 6: Final answer
   x = 1,665,973.92