Finding the Third Proportional to 166,621.50 and 362,808

Step by Step Solution

1. Step 1: Write the proportion equation
   166,621.50 : 362,808 = 362,808 : x
2. Step 2: Convert to fraction form
   166,621.50/362,808 = 362,808/x
3. Step 3: Cross multiply
   166,621.50x = 362,808 × 362,808
4. Step 4: Simplify right side
   166,621.50x = 131,629,644,864
5. Step 5: Solve for x
   x = 131,629,644,864/166,621.50
6. Step 6: Final answer
   x = 789,991.96