Finding the Third Proportional to 12,968 and 20,119

Step by Step Solution

1. Step 1: Write the proportion equation
   12,968 : 20,119 = 20,119 : x
2. Step 2: Convert to fraction form
   12,968/20,119 = 20,119/x
3. Step 3: Cross multiply
   12,968x = 20,119 × 20,119
4. Step 4: Simplify right side
   12,968x = 404,774,161
5. Step 5: Solve for x
   x = 404,774,161/12,968
6. Step 6: Final answer
   x = 31,213.31