Finding the Third Proportional to 10,363.50 and 15,509.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,363.50 : 15,509.25 = 15,509.25 : x
2. Step 2: Convert to fraction form
   10,363.50/15,509.25 = 15,509.25/x
3. Step 3: Cross multiply
   10,363.50x = 15,509.25 × 15,509.25
4. Step 4: Simplify right side
   10,363.50x = 240,536,835.56
5. Step 5: Solve for x
   x = 240,536,835.56/10,363.50
6. Step 6: Final answer
   x = 23,210.00