Finding the Third Proportional to 315,499.50 and 458,847

Step by Step Solution

1. Step 1: Write the proportion equation
   315,499.50 : 458,847 = 458,847 : x
2. Step 2: Convert to fraction form
   315,499.50/458,847 = 458,847/x
3. Step 3: Cross multiply
   315,499.50x = 458,847 × 458,847
4. Step 4: Simplify right side
   315,499.50x = 210,540,569,409
5. Step 5: Solve for x
   x = 210,540,569,409/315,499.50
6. Step 6: Final answer
   x = 667,324.57