Finding the Third Proportional to 20,326.50 and 30,336.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,326.50 : 30,336.75 = 30,336.75 : x
2. Step 2: Convert to fraction form
   20,326.50/30,336.75 = 30,336.75/x
3. Step 3: Cross multiply
   20,326.50x = 30,336.75 × 30,336.75
4. Step 4: Simplify right side
   20,326.50x = 920,318,400.56
5. Step 5: Solve for x
   x = 920,318,400.56/20,326.50
6. Step 6: Final answer
   x = 45,276.78