Finding the Third Proportional to 18,499.50 and 30,203.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,499.50 : 30,203.25 = 30,203.25 : x
2. Step 2: Convert to fraction form
   18,499.50/30,203.25 = 30,203.25/x
3. Step 3: Cross multiply
   18,499.50x = 30,203.25 × 30,203.25
4. Step 4: Simplify right side
   18,499.50x = 912,236,310.56
5. Step 5: Solve for x
   x = 912,236,310.56/18,499.50
6. Step 6: Final answer
   x = 49,311.40