Finding the Third Proportional to 18,510.75 and 28,631.25

Step by Step Solution

1. Step 1: Write the proportion equation
   18,510.75 : 28,631.25 = 28,631.25 : x
2. Step 2: Convert to fraction form
   18,510.75/28,631.25 = 28,631.25/x
3. Step 3: Cross multiply
   18,510.75x = 28,631.25 × 28,631.25
4. Step 4: Simplify right side
   18,510.75x = 819,748,476.56
5. Step 5: Solve for x
   x = 819,748,476.56/18,510.75
6. Step 6: Final answer
   x = 44,285.00