Finding the Third Proportional to 20,318 and 30,869

Step by Step Solution

1. Step 1: Write the proportion equation
   20,318 : 30,869 = 30,869 : x
2. Step 2: Convert to fraction form
   20,318/30,869 = 30,869/x
3. Step 3: Cross multiply
   20,318x = 30,869 × 30,869
4. Step 4: Simplify right side
   20,318x = 952,895,161
5. Step 5: Solve for x
   x = 952,895,161/20,318
6. Step 6: Final answer
   x = 46,899.06