Finding the Third Proportional to 656,231 and 938,401

Step by Step Solution

1. Step 1: Write the proportion equation
   656,231 : 938,401 = 938,401 : x
2. Step 2: Convert to fraction form
   656,231/938,401 = 938,401/x
3. Step 3: Cross multiply
   656,231x = 938,401 × 938,401
4. Step 4: Simplify right side
   656,231x = 880,596,436,801
5. Step 5: Solve for x
   x = 880,596,436,801/656,231
6. Step 6: Final answer
   x = 1,341,900.09