Finding the Third Proportional to 18,914.13 and 28,396.83

Step by Step Solution

1. Step 1: Write the proportion equation
   18,914.13 : 28,396.83 = 28,396.83 : x
2. Step 2: Convert to fraction form
   18,914.13/28,396.83 = 28,396.83/x
3. Step 3: Cross multiply
   18,914.13x = 28,396.83 × 28,396.83
4. Step 4: Simplify right side
   18,914.13x = 806,379,847.56
5. Step 5: Solve for x
   x = 806,379,847.56/18,914.13
6. Step 6: Final answer
   x = 42,633.72