Finding the Third Proportional to 155,500.50 and 322,071

Step by Step Solution

1. Step 1: Write the proportion equation
   155,500.50 : 322,071 = 322,071 : x
2. Step 2: Convert to fraction form
   155,500.50/322,071 = 322,071/x
3. Step 3: Cross multiply
   155,500.50x = 322,071 × 322,071
4. Step 4: Simplify right side
   155,500.50x = 103,729,729,041
5. Step 5: Solve for x
   x = 103,729,729,041/155,500.50
6. Step 6: Final answer
   x = 667,070.07