Finding the Third Proportional to 53,170 and 72,241

Step by Step Solution

1. Step 1: Write the proportion equation
   53,170 : 72,241 = 72,241 : x
2. Step 2: Convert to fraction form
   53,170/72,241 = 72,241/x
3. Step 3: Cross multiply
   53,170x = 72,241 × 72,241
4. Step 4: Simplify right side
   53,170x = 5,218,762,081
5. Step 5: Solve for x
   x = 5,218,762,081/53,170
6. Step 6: Final answer
   x = 98,152.38