Finding the Third Proportional to 19,861.75 and 30,964.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,861.75 : 30,964.50 = 30,964.50 : x
2. Step 2: Convert to fraction form
   19,861.75/30,964.50 = 30,964.50/x
3. Step 3: Cross multiply
   19,861.75x = 30,964.50 × 30,964.50
4. Step 4: Simplify right side
   19,861.75x = 958,800,260.25
5. Step 5: Solve for x
   x = 958,800,260.25/19,861.75
6. Step 6: Final answer
   x = 48,273.70