Finding the Third Proportional to 165,308.50 and 245,532.50

Step by Step Solution

1. Step 1: Write the proportion equation
   165,308.50 : 245,532.50 = 245,532.50 : x
2. Step 2: Convert to fraction form
   165,308.50/245,532.50 = 245,532.50/x
3. Step 3: Cross multiply
   165,308.50x = 245,532.50 × 245,532.50
4. Step 4: Simplify right side
   165,308.50x = 60,286,208,556.25
5. Step 5: Solve for x
   x = 60,286,208,556.25/165,308.50
6. Step 6: Final answer
   x = 364,689.10