Finding the Third Proportional to 4,150.50 and 8,778

Step by Step Solution

1. Step 1: Write the proportion equation
   4,150.50 : 8,778 = 8,778 : x
2. Step 2: Convert to fraction form
   4,150.50/8,778 = 8,778/x
3. Step 3: Cross multiply
   4,150.50x = 8,778 × 8,778
4. Step 4: Simplify right side
   4,150.50x = 77,053,284
5. Step 5: Solve for x
   x = 77,053,284/4,150.50
6. Step 6: Final answer
   x = 18,564.82