Finding the Third Proportional to 12,243 and 25,210.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,243 : 25,210.50 = 25,210.50 : x
2. Step 2: Convert to fraction form
   12,243/25,210.50 = 25,210.50/x
3. Step 3: Cross multiply
   12,243x = 25,210.50 × 25,210.50
4. Step 4: Simplify right side
   12,243x = 635,569,310.25
5. Step 5: Solve for x
   x = 635,569,310.25/12,243
6. Step 6: Final answer
   x = 51,912.87