Finding the Third Proportional to 10,303.03 and 18,478.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,303.03 : 18,478.78 = 18,478.78 : x
2. Step 2: Convert to fraction form
   10,303.03/18,478.78 = 18,478.78/x
3. Step 3: Cross multiply
   10,303.03x = 18,478.78 × 18,478.78
4. Step 4: Simplify right side
   10,303.03x = 341,465,356.49
5. Step 5: Solve for x
   x = 341,465,356.49/10,303.03
6. Step 6: Final answer
   x = 33,142.22