Finding the Third Proportional to 21,981 and 34,947

Step by Step Solution

1. Step 1: Write the proportion equation
   21,981 : 34,947 = 34,947 : x
2. Step 2: Convert to fraction form
   21,981/34,947 = 34,947/x
3. Step 3: Cross multiply
   21,981x = 34,947 × 34,947
4. Step 4: Simplify right side
   21,981x = 1,221,292,809
5. Step 5: Solve for x
   x = 1,221,292,809/21,981
6. Step 6: Final answer
   x = 55,561.29