Finding the Third Proportional to 28,530 and 56,290.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,530 : 56,290.50 = 56,290.50 : x
2. Step 2: Convert to fraction form
   28,530/56,290.50 = 56,290.50/x
3. Step 3: Cross multiply
   28,530x = 56,290.50 × 56,290.50
4. Step 4: Simplify right side
   28,530x = 3,168,620,390.25
5. Step 5: Solve for x
   x = 3,168,620,390.25/28,530
6. Step 6: Final answer
   x = 111,062.75