Finding the Third Proportional to 4,113.56 and 8,998.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,113.56 : 8,998.31 = 8,998.31 : x
2. Step 2: Convert to fraction form
   4,113.56/8,998.31 = 8,998.31/x
3. Step 3: Cross multiply
   4,113.56x = 8,998.31 × 8,998.31
4. Step 4: Simplify right side
   4,113.56x = 80,969,627.85
5. Step 5: Solve for x
   x = 80,969,627.85/4,113.56
6. Step 6: Final answer
   x = 19,683.58