Finding the Third Proportional to 13,086.75 and 28,765.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,086.75 : 28,765.50 = 28,765.50 : x
2. Step 2: Convert to fraction form
   13,086.75/28,765.50 = 28,765.50/x
3. Step 3: Cross multiply
   13,086.75x = 28,765.50 × 28,765.50
4. Step 4: Simplify right side
   13,086.75x = 827,453,990.25
5. Step 5: Solve for x
   x = 827,453,990.25/13,086.75
6. Step 6: Final answer
   x = 63,228.38