Finding the Third Proportional to 123,192 and 161,757

Step by Step Solution

1. Step 1: Write the proportion equation
   123,192 : 161,757 = 161,757 : x
2. Step 2: Convert to fraction form
   123,192/161,757 = 161,757/x
3. Step 3: Cross multiply
   123,192x = 161,757 × 161,757
4. Step 4: Simplify right side
   123,192x = 26,165,327,049
5. Step 5: Solve for x
   x = 26,165,327,049/123,192
6. Step 6: Final answer
   x = 212,394.69