Finding the Third Proportional to 12,453.75 and 26,638.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,453.75 : 26,638.88 = 26,638.88 : x
2. Step 2: Convert to fraction form
   12,453.75/26,638.88 = 26,638.88/x
3. Step 3: Cross multiply
   12,453.75x = 26,638.88 × 26,638.88
4. Step 4: Simplify right side
   12,453.75x = 709,629,661.27
5. Step 5: Solve for x
   x = 709,629,661.27/12,453.75
6. Step 6: Final answer
   x = 56,981.20