Finding the Third Proportional to 13,236 and 28,391.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,236 : 28,391.50 = 28,391.50 : x
2. Step 2: Convert to fraction form
   13,236/28,391.50 = 28,391.50/x
3. Step 3: Cross multiply
   13,236x = 28,391.50 × 28,391.50
4. Step 4: Simplify right side
   13,236x = 806,077,272.25
5. Step 5: Solve for x
   x = 806,077,272.25/13,236
6. Step 6: Final answer
   x = 60,900.37