Finding the Third Proportional to 165,336 and 247,360.50

Step by Step Solution

1. Step 1: Write the proportion equation
   165,336 : 247,360.50 = 247,360.50 : x
2. Step 2: Convert to fraction form
   165,336/247,360.50 = 247,360.50/x
3. Step 3: Cross multiply
   165,336x = 247,360.50 × 247,360.50
4. Step 4: Simplify right side
   165,336x = 61,187,216,960.25
5. Step 5: Solve for x
   x = 61,187,216,960.25/165,336
6. Step 6: Final answer
   x = 370,078.00