Finding the Third Proportional to 28,556 and 40,587.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,556 : 40,587.50 = 40,587.50 : x
2. Step 2: Convert to fraction form
   28,556/40,587.50 = 40,587.50/x
3. Step 3: Cross multiply
   28,556x = 40,587.50 × 40,587.50
4. Step 4: Simplify right side
   28,556x = 1,647,345,156.25
5. Step 5: Solve for x
   x = 1,647,345,156.25/28,556
6. Step 6: Final answer
   x = 57,688.23