Finding the Third Proportional to 389,025 and 805,026

Step by Step Solution

1. Step 1: Write the proportion equation
   389,025 : 805,026 = 805,026 : x
2. Step 2: Convert to fraction form
   389,025/805,026 = 805,026/x
3. Step 3: Cross multiply
   389,025x = 805,026 × 805,026
4. Step 4: Simplify right side
   389,025x = 648,066,860,676
5. Step 5: Solve for x
   x = 648,066,860,676/389,025
6. Step 6: Final answer
   x = 1,665,874.59