Finding the Third Proportional to 18,878.06 and 28,233.56

Step by Step Solution

1. Step 1: Write the proportion equation
   18,878.06 : 28,233.56 = 28,233.56 : x
2. Step 2: Convert to fraction form
   18,878.06/28,233.56 = 28,233.56/x
3. Step 3: Cross multiply
   18,878.06x = 28,233.56 × 28,233.56
4. Step 4: Simplify right side
   18,878.06x = 797,134,051.44
5. Step 5: Solve for x
   x = 797,134,051.44/18,878.06
6. Step 6: Final answer
   x = 42,225.42