Finding the Third Proportional to 10,449.50 and 17,153.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,449.50 : 17,153.50 = 17,153.50 : x
2. Step 2: Convert to fraction form
   10,449.50/17,153.50 = 17,153.50/x
3. Step 3: Cross multiply
   10,449.50x = 17,153.50 × 17,153.50
4. Step 4: Simplify right side
   10,449.50x = 294,242,562.25
5. Step 5: Solve for x
   x = 294,242,562.25/10,449.50
6. Step 6: Final answer
   x = 28,158.53