Finding the Third Proportional to 145,735.50 and 313,614

Step by Step Solution

1. Step 1: Write the proportion equation
   145,735.50 : 313,614 = 313,614 : x
2. Step 2: Convert to fraction form
   145,735.50/313,614 = 313,614/x
3. Step 3: Cross multiply
   145,735.50x = 313,614 × 313,614
4. Step 4: Simplify right side
   145,735.50x = 98,353,740,996
5. Step 5: Solve for x
   x = 98,353,740,996/145,735.50
6. Step 6: Final answer
   x = 674,878.40