Finding the Third Proportional to 20,306.25 and 30,459.38

Step by Step Solution

1. Step 1: Write the proportion equation
   20,306.25 : 30,459.38 = 30,459.38 : x
2. Step 2: Convert to fraction form
   20,306.25/30,459.38 = 30,459.38/x
3. Step 3: Cross multiply
   20,306.25x = 30,459.38 × 30,459.38
4. Step 4: Simplify right side
   20,306.25x = 927,773,525.39
5. Step 5: Solve for x
   x = 927,773,525.39/20,306.25
6. Step 6: Final answer
   x = 45,689.06