Finding the Third Proportional to 12,896.72 and 28,253.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,896.72 : 28,253.81 = 28,253.81 : x
2. Step 2: Convert to fraction form
   12,896.72/28,253.81 = 28,253.81/x
3. Step 3: Cross multiply
   12,896.72x = 28,253.81 × 28,253.81
4. Step 4: Simplify right side
   12,896.72x = 798,277,920.79
5. Step 5: Solve for x
   x = 798,277,920.79/12,896.72
6. Step 6: Final answer
   x = 61,897.75