Finding the Third Proportional to 166,485 and 363,385.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,485 : 363,385.50 = 363,385.50 : x
2. Step 2: Convert to fraction form
   166,485/363,385.50 = 363,385.50/x
3. Step 3: Cross multiply
   166,485x = 363,385.50 × 363,385.50
4. Step 4: Simplify right side
   166,485x = 132,049,021,610.25
5. Step 5: Solve for x
   x = 132,049,021,610.25/166,485
6. Step 6: Final answer
   x = 793,158.67