Finding the Third Proportional to 10,287 and 22,153.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,287 : 22,153.50 = 22,153.50 : x
2. Step 2: Convert to fraction form
   10,287/22,153.50 = 22,153.50/x
3. Step 3: Cross multiply
   10,287x = 22,153.50 × 22,153.50
4. Step 4: Simplify right side
   10,287x = 490,777,562.25
5. Step 5: Solve for x
   x = 490,777,562.25/10,287
6. Step 6: Final answer
   x = 47,708.52