Finding the Third Proportional to 12,485.81 and 26,748.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,485.81 : 26,748.56 = 26,748.56 : x
2. Step 2: Convert to fraction form
   12,485.81/26,748.56 = 26,748.56/x
3. Step 3: Cross multiply
   12,485.81x = 26,748.56 × 26,748.56
4. Step 4: Simplify right side
   12,485.81x = 715,485,595.82
5. Step 5: Solve for x
   x = 715,485,595.82/12,485.81
6. Step 6: Final answer
   x = 57,303.89