Finding the Third Proportional to 4,156.50 and 8,891.25

Step by Step Solution

1. Step 1: Write the proportion equation
   4,156.50 : 8,891.25 = 8,891.25 : x
2. Step 2: Convert to fraction form
   4,156.50/8,891.25 = 8,891.25/x
3. Step 3: Cross multiply
   4,156.50x = 8,891.25 × 8,891.25
4. Step 4: Simplify right side
   4,156.50x = 79,054,326.56
5. Step 5: Solve for x
   x = 79,054,326.56/4,156.50
6. Step 6: Final answer
   x = 19,019.45