Finding the Third Proportional to 72,497 and 159,710

Step by Step Solution

1. Step 1: Write the proportion equation
   72,497 : 159,710 = 159,710 : x
2. Step 2: Convert to fraction form
   72,497/159,710 = 159,710/x
3. Step 3: Cross multiply
   72,497x = 159,710 × 159,710
4. Step 4: Simplify right side
   72,497x = 25,507,284,100
5. Step 5: Solve for x
   x = 25,507,284,100/72,497
6. Step 6: Final answer
   x = 351,839.17