Finding the Third Proportional to 20,886 and 45,654

Step by Step Solution

1. Step 1: Write the proportion equation
   20,886 : 45,654 = 45,654 : x
2. Step 2: Convert to fraction form
   20,886/45,654 = 45,654/x
3. Step 3: Cross multiply
   20,886x = 45,654 × 45,654
4. Step 4: Simplify right side
   20,886x = 2,084,287,716
5. Step 5: Solve for x
   x = 2,084,287,716/20,886
6. Step 6: Final answer
   x = 99,793.53