Finding the Third Proportional to 12,703.50 and 26,291.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,703.50 : 26,291.25 = 26,291.25 : x
2. Step 2: Convert to fraction form
   12,703.50/26,291.25 = 26,291.25/x
3. Step 3: Cross multiply
   12,703.50x = 26,291.25 × 26,291.25
4. Step 4: Simplify right side
   12,703.50x = 691,229,826.56
5. Step 5: Solve for x
   x = 691,229,826.56/12,703.50
6. Step 6: Final answer
   x = 54,412.55