Finding the Third Proportional to 20,538.75 and 30,899.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,538.75 : 30,899.25 = 30,899.25 : x
2. Step 2: Convert to fraction form
   20,538.75/30,899.25 = 30,899.25/x
3. Step 3: Cross multiply
   20,538.75x = 30,899.25 × 30,899.25
4. Step 4: Simplify right side
   20,538.75x = 954,763,650.56
5. Step 5: Solve for x
   x = 954,763,650.56/20,538.75
6. Step 6: Final answer
   x = 46,485.97