Finding the Third Proportional to 451,634 and 699,076

Step by Step Solution

1. Step 1: Write the proportion equation
   451,634 : 699,076 = 699,076 : x
2. Step 2: Convert to fraction form
   451,634/699,076 = 699,076/x
3. Step 3: Cross multiply
   451,634x = 699,076 × 699,076
4. Step 4: Simplify right side
   451,634x = 488,707,253,776
5. Step 5: Solve for x
   x = 488,707,253,776/451,634
6. Step 6: Final answer
   x = 1,082,086.94