Finding the Third Proportional to 428,330 and 952,401

Step by Step Solution

1. Step 1: Write the proportion equation
   428,330 : 952,401 = 952,401 : x
2. Step 2: Convert to fraction form
   428,330/952,401 = 952,401/x
3. Step 3: Cross multiply
   428,330x = 952,401 × 952,401
4. Step 4: Simplify right side
   428,330x = 907,067,664,801
5. Step 5: Solve for x
   x = 907,067,664,801/428,330
6. Step 6: Final answer
   x = 2,117,684.18