Finding the Third Proportional to 72,915 and 104,268

Step by Step Solution

1. Step 1: Write the proportion equation
   72,915 : 104,268 = 104,268 : x
2. Step 2: Convert to fraction form
   72,915/104,268 = 104,268/x
3. Step 3: Cross multiply
   72,915x = 104,268 × 104,268
4. Step 4: Simplify right side
   72,915x = 10,871,815,824
5. Step 5: Solve for x
   x = 10,871,815,824/72,915
6. Step 6: Final answer
   x = 149,102.60