Finding the Third Proportional to 166,321.50 and 365,859

Step by Step Solution

1. Step 1: Write the proportion equation
   166,321.50 : 365,859 = 365,859 : x
2. Step 2: Convert to fraction form
   166,321.50/365,859 = 365,859/x
3. Step 3: Cross multiply
   166,321.50x = 365,859 × 365,859
4. Step 4: Simplify right side
   166,321.50x = 133,852,807,881
5. Step 5: Solve for x
   x = 133,852,807,881/166,321.50
6. Step 6: Final answer
   x = 804,783.55