Finding the Third Proportional to 20,308.50 and 26,698.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,308.50 : 26,698.50 = 26,698.50 : x
2. Step 2: Convert to fraction form
   20,308.50/26,698.50 = 26,698.50/x
3. Step 3: Cross multiply
   20,308.50x = 26,698.50 × 26,698.50
4. Step 4: Simplify right side
   20,308.50x = 712,809,902.25
5. Step 5: Solve for x
   x = 712,809,902.25/20,308.50
6. Step 6: Final answer
   x = 35,099.09