Finding the Third Proportional to 147,871.50 and 323,729

Step by Step Solution

1. Step 1: Write the proportion equation
   147,871.50 : 323,729 = 323,729 : x
2. Step 2: Convert to fraction form
   147,871.50/323,729 = 323,729/x
3. Step 3: Cross multiply
   147,871.50x = 323,729 × 323,729
4. Step 4: Simplify right side
   147,871.50x = 104,800,465,441
5. Step 5: Solve for x
   x = 104,800,465,441/147,871.50
6. Step 6: Final answer
   x = 708,726.60