Finding the Third Proportional to 53,869 and 72,015

Step by Step Solution

1. Step 1: Write the proportion equation
   53,869 : 72,015 = 72,015 : x
2. Step 2: Convert to fraction form
   53,869/72,015 = 72,015/x
3. Step 3: Cross multiply
   53,869x = 72,015 × 72,015
4. Step 4: Simplify right side
   53,869x = 5,186,160,225
5. Step 5: Solve for x
   x = 5,186,160,225/53,869
6. Step 6: Final answer
   x = 96,273.56