Finding the Third Proportional to 166,435.50 and 364,009.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,435.50 : 364,009.50 = 364,009.50 : x
2. Step 2: Convert to fraction form
   166,435.50/364,009.50 = 364,009.50/x
3. Step 3: Cross multiply
   166,435.50x = 364,009.50 × 364,009.50
4. Step 4: Simplify right side
   166,435.50x = 132,502,916,090.25
5. Step 5: Solve for x
   x = 132,502,916,090.25/166,435.50
6. Step 6: Final answer
   x = 796,121.72