Finding the Third Proportional to 455,569 and 697,150

Step by Step Solution

1. Step 1: Write the proportion equation
   455,569 : 697,150 = 697,150 : x
2. Step 2: Convert to fraction form
   455,569/697,150 = 697,150/x
3. Step 3: Cross multiply
   455,569x = 697,150 × 697,150
4. Step 4: Simplify right side
   455,569x = 486,018,122,500
5. Step 5: Solve for x
   x = 486,018,122,500/455,569
6. Step 6: Final answer
   x = 1,066,837.56