Finding the Third Proportional to 72,889 and 108,955

Step by Step Solution

1. Step 1: Write the proportion equation
   72,889 : 108,955 = 108,955 : x
2. Step 2: Convert to fraction form
   72,889/108,955 = 108,955/x
3. Step 3: Cross multiply
   72,889x = 108,955 × 108,955
4. Step 4: Simplify right side
   72,889x = 11,871,192,025
5. Step 5: Solve for x
   x = 11,871,192,025/72,889
6. Step 6: Final answer
   x = 162,866.72