Finding the Third Proportional to 12,738.50 and 26,043.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,738.50 : 26,043.88 = 26,043.88 : x
2. Step 2: Convert to fraction form
   12,738.50/26,043.88 = 26,043.88/x
3. Step 3: Cross multiply
   12,738.50x = 26,043.88 × 26,043.88
4. Step 4: Simplify right side
   12,738.50x = 678,283,425.02
5. Step 5: Solve for x
   x = 678,283,425.02/12,738.50
6. Step 6: Final answer
   x = 53,246.73