Finding the Third Proportional to 12,999.94 and 26,499.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,999.94 : 26,499.38 = 26,499.38 : x
2. Step 2: Convert to fraction form
   12,999.94/26,499.38 = 26,499.38/x
3. Step 3: Cross multiply
   12,999.94x = 26,499.38 × 26,499.38
4. Step 4: Simplify right side
   12,999.94x = 702,216,875.39
5. Step 5: Solve for x
   x = 702,216,875.39/12,999.94
6. Step 6: Final answer
   x = 54,016.94