Finding the Third Proportional to 18,981.84 and 28,315.83

Step by Step Solution

1. Step 1: Write the proportion equation
   18,981.84 : 28,315.83 = 28,315.83 : x
2. Step 2: Convert to fraction form
   18,981.84/28,315.83 = 28,315.83/x
3. Step 3: Cross multiply
   18,981.84x = 28,315.83 × 28,315.83
4. Step 4: Simplify right side
   18,981.84x = 801,786,122.40
5. Step 5: Solve for x
   x = 801,786,122.40/18,981.84
6. Step 6: Final answer
   x = 42,239.63