Finding the Third Proportional to 13,036.50 and 26,680.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,036.50 : 26,680.50 = 26,680.50 : x
2. Step 2: Convert to fraction form
   13,036.50/26,680.50 = 26,680.50/x
3. Step 3: Cross multiply
   13,036.50x = 26,680.50 × 26,680.50
4. Step 4: Simplify right side
   13,036.50x = 711,849,080.25
5. Step 5: Solve for x
   x = 711,849,080.25/13,036.50
6. Step 6: Final answer
   x = 54,604.31