Finding the Third Proportional to 166,390.50 and 364,269

Step by Step Solution

1. Step 1: Write the proportion equation
   166,390.50 : 364,269 = 364,269 : x
2. Step 2: Convert to fraction form
   166,390.50/364,269 = 364,269/x
3. Step 3: Cross multiply
   166,390.50x = 364,269 × 364,269
4. Step 4: Simplify right side
   166,390.50x = 132,691,904,361
5. Step 5: Solve for x
   x = 132,691,904,361/166,390.50
6. Step 6: Final answer
   x = 797,472.84