Finding the Third Proportional to 42,159 and 91,753

Step by Step Solution

1. Step 1: Write the proportion equation
   42,159 : 91,753 = 91,753 : x
2. Step 2: Convert to fraction form
   42,159/91,753 = 91,753/x
3. Step 3: Cross multiply
   42,159x = 91,753 × 91,753
4. Step 4: Simplify right side
   42,159x = 8,418,613,009
5. Step 5: Solve for x
   x = 8,418,613,009/42,159
6. Step 6: Final answer
   x = 199,687.21