Finding the Third Proportional to 147,871.50 and 320,655

Step by Step Solution

1. Step 1: Write the proportion equation
   147,871.50 : 320,655 = 320,655 : x
2. Step 2: Convert to fraction form
   147,871.50/320,655 = 320,655/x
3. Step 3: Cross multiply
   147,871.50x = 320,655 × 320,655
4. Step 4: Simplify right side
   147,871.50x = 102,819,629,025
5. Step 5: Solve for x
   x = 102,819,629,025/147,871.50
6. Step 6: Final answer
   x = 695,330.94