Finding the Third Proportional to 9,118.50 and 19,884

Step by Step Solution

1. Step 1: Write the proportion equation
   9,118.50 : 19,884 = 19,884 : x
2. Step 2: Convert to fraction form
   9,118.50/19,884 = 19,884/x
3. Step 3: Cross multiply
   9,118.50x = 19,884 × 19,884
4. Step 4: Simplify right side
   9,118.50x = 395,373,456
5. Step 5: Solve for x
   x = 395,373,456/9,118.50
6. Step 6: Final answer
   x = 43,359.48