Finding the Third Proportional to 71,205 and 155,710

Step by Step Solution

1. Step 1: Write the proportion equation
   71,205 : 155,710 = 155,710 : x
2. Step 2: Convert to fraction form
   71,205/155,710 = 155,710/x
3. Step 3: Cross multiply
   71,205x = 155,710 × 155,710
4. Step 4: Simplify right side
   71,205x = 24,245,604,100
5. Step 5: Solve for x
   x = 24,245,604,100/71,205
6. Step 6: Final answer
   x = 340,504.24