Finding the Third Proportional to 18,568 and 28,009.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,568 : 28,009.50 = 28,009.50 : x
2. Step 2: Convert to fraction form
   18,568/28,009.50 = 28,009.50/x
3. Step 3: Cross multiply
   18,568x = 28,009.50 × 28,009.50
4. Step 4: Simplify right side
   18,568x = 784,532,090.25
5. Step 5: Solve for x
   x = 784,532,090.25/18,568
6. Step 6: Final answer
   x = 42,251.84