Finding the Third Proportional to 20,445.50 and 30,770.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,445.50 : 30,770.75 = 30,770.75 : x
2. Step 2: Convert to fraction form
   20,445.50/30,770.75 = 30,770.75/x
3. Step 3: Cross multiply
   20,445.50x = 30,770.75 × 30,770.75
4. Step 4: Simplify right side
   20,445.50x = 946,839,055.56
5. Step 5: Solve for x
   x = 946,839,055.56/20,445.50
6. Step 6: Final answer
   x = 46,310.39