Finding the Third Proportional to 72,918 and 104,271

Step by Step Solution

1. Step 1: Write the proportion equation
   72,918 : 104,271 = 104,271 : x
2. Step 2: Convert to fraction form
   72,918/104,271 = 104,271/x
3. Step 3: Cross multiply
   72,918x = 104,271 × 104,271
4. Step 4: Simplify right side
   72,918x = 10,872,441,441
5. Step 5: Solve for x
   x = 10,872,441,441/72,918
6. Step 6: Final answer
   x = 149,105.04