Finding the Third Proportional to 20,146 and 42,886

Step by Step Solution

1. Step 1: Write the proportion equation
   20,146 : 42,886 = 42,886 : x
2. Step 2: Convert to fraction form
   20,146/42,886 = 42,886/x
3. Step 3: Cross multiply
   20,146x = 42,886 × 42,886
4. Step 4: Simplify right side
   20,146x = 1,839,208,996
5. Step 5: Solve for x
   x = 1,839,208,996/20,146
6. Step 6: Final answer
   x = 91,294.00