Finding the Third Proportional to 20,236.50 and 30,628.13

Step by Step Solution

1. Step 1: Write the proportion equation
   20,236.50 : 30,628.13 = 30,628.13 : x
2. Step 2: Convert to fraction form
   20,236.50/30,628.13 = 30,628.13/x
3. Step 3: Cross multiply
   20,236.50x = 30,628.13 × 30,628.13
4. Step 4: Simplify right side
   20,236.50x = 938,082,041.02
5. Step 5: Solve for x
   x = 938,082,041.02/20,236.50
6. Step 6: Final answer
   x = 46,355.94