Finding the Third Proportional to 454,275 and 705,401

Step by Step Solution

1. Step 1: Write the proportion equation
   454,275 : 705,401 = 705,401 : x
2. Step 2: Convert to fraction form
   454,275/705,401 = 705,401/x
3. Step 3: Cross multiply
   454,275x = 705,401 × 705,401
4. Step 4: Simplify right side
   454,275x = 497,590,570,801
5. Step 5: Solve for x
   x = 497,590,570,801/454,275
6. Step 6: Final answer
   x = 1,095,350.99