Finding the Third Proportional to 18,123.75 and 28,010.81

Step by Step Solution

1. Step 1: Write the proportion equation
   18,123.75 : 28,010.81 = 28,010.81 : x
2. Step 2: Convert to fraction form
   18,123.75/28,010.81 = 28,010.81/x
3. Step 3: Cross multiply
   18,123.75x = 28,010.81 × 28,010.81
4. Step 4: Simplify right side
   18,123.75x = 784,605,616.91
5. Step 5: Solve for x
   x = 784,605,616.91/18,123.75
6. Step 6: Final answer
   x = 43,291.57