Finding the Third Proportional to 18,816 and 24,978

Step by Step Solution

1. Step 1: Write the proportion equation
   18,816 : 24,978 = 24,978 : x
2. Step 2: Convert to fraction form
   18,816/24,978 = 24,978/x
3. Step 3: Cross multiply
   18,816x = 24,978 × 24,978
4. Step 4: Simplify right side
   18,816x = 623,900,484
5. Step 5: Solve for x
   x = 623,900,484/18,816
6. Step 6: Final answer
   x = 33,157.98