Finding the Third Proportional to 6,358.88 and 12,890.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,358.88 : 12,890.25 = 12,890.25 : x
2. Step 2: Convert to fraction form
   6,358.88/12,890.25 = 12,890.25/x
3. Step 3: Cross multiply
   6,358.88x = 12,890.25 × 12,890.25
4. Step 4: Simplify right side
   6,358.88x = 166,158,545.06
5. Step 5: Solve for x
   x = 166,158,545.06/6,358.88
6. Step 6: Final answer
   x = 26,130.18