Finding the Third Proportional to 166,430 and 363,998.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,430 : 363,998.50 = 363,998.50 : x
2. Step 2: Convert to fraction form
   166,430/363,998.50 = 363,998.50/x
3. Step 3: Cross multiply
   166,430x = 363,998.50 × 363,998.50
4. Step 4: Simplify right side
   166,430x = 132,494,908,002.25
5. Step 5: Solve for x
   x = 132,494,908,002.25/166,430
6. Step 6: Final answer
   x = 796,099.91