Finding the Third Proportional to 18,837.75 and 28,499.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,837.75 : 28,499.25 = 28,499.25 : x
2. Step 2: Convert to fraction form
   18,837.75/28,499.25 = 28,499.25/x
3. Step 3: Cross multiply
   18,837.75x = 28,499.25 × 28,499.25
4. Step 4: Simplify right side
   18,837.75x = 812,207,250.56
5. Step 5: Solve for x
   x = 812,207,250.56/18,837.75
6. Step 6: Final answer
   x = 43,115.94