Finding the Third Proportional to 20,078 and 31,068

Step by Step Solution

1. Step 1: Write the proportion equation
   20,078 : 31,068 = 31,068 : x
2. Step 2: Convert to fraction form
   20,078/31,068 = 31,068/x
3. Step 3: Cross multiply
   20,078x = 31,068 × 31,068
4. Step 4: Simplify right side
   20,078x = 965,220,624
5. Step 5: Solve for x
   x = 965,220,624/20,078
6. Step 6: Final answer
   x = 48,073.54