Finding the Third Proportional to 165,021 and 361,597.50

Step by Step Solution

1. Step 1: Write the proportion equation
   165,021 : 361,597.50 = 361,597.50 : x
2. Step 2: Convert to fraction form
   165,021/361,597.50 = 361,597.50/x
3. Step 3: Cross multiply
   165,021x = 361,597.50 × 361,597.50
4. Step 4: Simplify right side
   165,021x = 130,752,752,006.25
5. Step 5: Solve for x
   x = 130,752,752,006.25/165,021
6. Step 6: Final answer
   x = 792,340.08