Finding the Third Proportional to 20,336.63 and 30,396.38

Step by Step Solution

1. Step 1: Write the proportion equation
   20,336.63 : 30,396.38 = 30,396.38 : x
2. Step 2: Convert to fraction form
   20,336.63/30,396.38 = 30,396.38/x
3. Step 3: Cross multiply
   20,336.63x = 30,396.38 × 30,396.38
4. Step 4: Simplify right side
   20,336.63x = 923,939,613.14
5. Step 5: Solve for x
   x = 923,939,613.14/20,336.63
6. Step 6: Final answer
   x = 45,432.30