Finding the Third Proportional to 71,510 and 155,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,510 : 155,321.50 = 155,321.50 : x
2. Step 2: Convert to fraction form
   71,510/155,321.50 = 155,321.50/x
3. Step 3: Cross multiply
   71,510x = 155,321.50 × 155,321.50
4. Step 4: Simplify right side
   71,510x = 24,124,768,362.25
5. Step 5: Solve for x
   x = 24,124,768,362.25/71,510
6. Step 6: Final answer
   x = 337,362.16