Finding the Third Proportional to 20,444 and 42,946

Step by Step Solution

1. Step 1: Write the proportion equation
   20,444 : 42,946 = 42,946 : x
2. Step 2: Convert to fraction form
   20,444/42,946 = 42,946/x
3. Step 3: Cross multiply
   20,444x = 42,946 × 42,946
4. Step 4: Simplify right side
   20,444x = 1,844,358,916
5. Step 5: Solve for x
   x = 1,844,358,916/20,444
6. Step 6: Final answer
   x = 90,215.17