Finding the Third Proportional to 12,980.25 and 28,299.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,980.25 : 28,299.38 = 28,299.38 : x
2. Step 2: Convert to fraction form
   12,980.25/28,299.38 = 28,299.38/x
3. Step 3: Cross multiply
   12,980.25x = 28,299.38 × 28,299.38
4. Step 4: Simplify right side
   12,980.25x = 800,854,625.39
5. Step 5: Solve for x
   x = 800,854,625.39/12,980.25
6. Step 6: Final answer
   x = 61,697.94