Finding the Third Proportional to 12,275 and 26,009.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,275 : 26,009.50 = 26,009.50 : x
2. Step 2: Convert to fraction form
   12,275/26,009.50 = 26,009.50/x
3. Step 3: Cross multiply
   12,275x = 26,009.50 × 26,009.50
4. Step 4: Simplify right side
   12,275x = 676,494,090.25
5. Step 5: Solve for x
   x = 676,494,090.25/12,275
6. Step 6: Final answer
   x = 55,111.53