Finding the Third Proportional to 165,311.50 and 247,326

Step by Step Solution

1. Step 1: Write the proportion equation
   165,311.50 : 247,326 = 247,326 : x
2. Step 2: Convert to fraction form
   165,311.50/247,326 = 247,326/x
3. Step 3: Cross multiply
   165,311.50x = 247,326 × 247,326
4. Step 4: Simplify right side
   165,311.50x = 61,170,150,276
5. Step 5: Solve for x
   x = 61,170,150,276/165,311.50
6. Step 6: Final answer
   x = 370,029.61