Finding the Third Proportional to 18,817 and 24,978

Step by Step Solution

1. Step 1: Write the proportion equation
   18,817 : 24,978 = 24,978 : x
2. Step 2: Convert to fraction form
   18,817/24,978 = 24,978/x
3. Step 3: Cross multiply
   18,817x = 24,978 × 24,978
4. Step 4: Simplify right side
   18,817x = 623,900,484
5. Step 5: Solve for x
   x = 623,900,484/18,817
6. Step 6: Final answer
   x = 33,156.21