Finding the Third Proportional to 166,674.38 and 359,410.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,674.38 : 359,410.50 = 359,410.50 : x
2. Step 2: Convert to fraction form
   166,674.38/359,410.50 = 359,410.50/x
3. Step 3: Cross multiply
   166,674.38x = 359,410.50 × 359,410.50
4. Step 4: Simplify right side
   166,674.38x = 129,175,907,510.25
5. Step 5: Solve for x
   x = 129,175,907,510.25/166,674.38
6. Step 6: Final answer
   x = 775,019.60