Finding the Third Proportional to 454,695 and 679,234.50

Step by Step Solution

1. Step 1: Write the proportion equation
   454,695 : 679,234.50 = 679,234.50 : x
2. Step 2: Convert to fraction form
   454,695/679,234.50 = 679,234.50/x
3. Step 3: Cross multiply
   454,695x = 679,234.50 × 679,234.50
4. Step 4: Simplify right side
   454,695x = 461,359,505,990.25
5. Step 5: Solve for x
   x = 461,359,505,990.25/454,695
6. Step 6: Final answer
   x = 1,014,657.09