Finding the Third Proportional to 165,299 and 245,518.50

Step by Step Solution

1. Step 1: Write the proportion equation
   165,299 : 245,518.50 = 245,518.50 : x
2. Step 2: Convert to fraction form
   165,299/245,518.50 = 245,518.50/x
3. Step 3: Cross multiply
   165,299x = 245,518.50 × 245,518.50
4. Step 4: Simplify right side
   165,299x = 60,279,333,842.25
5. Step 5: Solve for x
   x = 60,279,333,842.25/165,299
6. Step 6: Final answer
   x = 364,668.47