Finding the Third Proportional to 13,213.91 and 27,725.28

Step by Step Solution

1. Step 1: Write the proportion equation
   13,213.91 : 27,725.28 = 27,725.28 : x
2. Step 2: Convert to fraction form
   13,213.91/27,725.28 = 27,725.28/x
3. Step 3: Cross multiply
   13,213.91x = 27,725.28 × 27,725.28
4. Step 4: Simplify right side
   13,213.91x = 768,691,220.39
5. Step 5: Solve for x
   x = 768,691,220.39/13,213.91
6. Step 6: Final answer
   x = 58,172.90