Finding the Third Proportional to 20,132 and 42,947

Step by Step Solution

1. Step 1: Write the proportion equation
   20,132 : 42,947 = 42,947 : x
2. Step 2: Convert to fraction form
   20,132/42,947 = 42,947/x
3. Step 3: Cross multiply
   20,132x = 42,947 × 42,947
4. Step 4: Simplify right side
   20,132x = 1,844,444,809
5. Step 5: Solve for x
   x = 1,844,444,809/20,132
6. Step 6: Final answer
   x = 91,617.56