Finding the Third Proportional to 19,570.50 and 30,309.75

Step by Step Solution

1. Step 1: Write the proportion equation
   19,570.50 : 30,309.75 = 30,309.75 : x
2. Step 2: Convert to fraction form
   19,570.50/30,309.75 = 30,309.75/x
3. Step 3: Cross multiply
   19,570.50x = 30,309.75 × 30,309.75
4. Step 4: Simplify right side
   19,570.50x = 918,680,945.06
5. Step 5: Solve for x
   x = 918,680,945.06/19,570.50
6. Step 6: Final answer
   x = 46,942.13