Finding the Third Proportional to 81,726 and 166,892

Step by Step Solution

1. Step 1: Write the proportion equation
   81,726 : 166,892 = 166,892 : x
2. Step 2: Convert to fraction form
   81,726/166,892 = 166,892/x
3. Step 3: Cross multiply
   81,726x = 166,892 × 166,892
4. Step 4: Simplify right side
   81,726x = 27,852,939,664
5. Step 5: Solve for x
   x = 27,852,939,664/81,726
6. Step 6: Final answer
   x = 340,808.80