Finding the Third Proportional to 28,578 and 41,778

Step by Step Solution

1. Step 1: Write the proportion equation
   28,578 : 41,778 = 41,778 : x
2. Step 2: Convert to fraction form
   28,578/41,778 = 41,778/x
3. Step 3: Cross multiply
   28,578x = 41,778 × 41,778
4. Step 4: Simplify right side
   28,578x = 1,745,401,284
5. Step 5: Solve for x
   x = 1,745,401,284/28,578
6. Step 6: Final answer
   x = 61,075.00