Finding the Third Proportional to 166,106 and 389,962

Step by Step Solution

1. Step 1: Write the proportion equation
   166,106 : 389,962 = 389,962 : x
2. Step 2: Convert to fraction form
   166,106/389,962 = 389,962/x
3. Step 3: Cross multiply
   166,106x = 389,962 × 389,962
4. Step 4: Simplify right side
   166,106x = 152,070,361,444
5. Step 5: Solve for x
   x = 152,070,361,444/166,106
6. Step 6: Final answer
   x = 915,501.92