Finding the Third Proportional to 6,385.50 and 12,588.75

Step by Step Solution

1. Step 1: Write the proportion equation
   6,385.50 : 12,588.75 = 12,588.75 : x
2. Step 2: Convert to fraction form
   6,385.50/12,588.75 = 12,588.75/x
3. Step 3: Cross multiply
   6,385.50x = 12,588.75 × 12,588.75
4. Step 4: Simplify right side
   6,385.50x = 158,476,626.56
5. Step 5: Solve for x
   x = 158,476,626.56/6,385.50
6. Step 6: Final answer
   x = 24,818.20