Finding the Third Proportional to 168,145.50 and 245,751

Step by Step Solution

1. Step 1: Write the proportion equation
   168,145.50 : 245,751 = 245,751 : x
2. Step 2: Convert to fraction form
   168,145.50/245,751 = 245,751/x
3. Step 3: Cross multiply
   168,145.50x = 245,751 × 245,751
4. Step 4: Simplify right side
   168,145.50x = 60,393,554,001
5. Step 5: Solve for x
   x = 60,393,554,001/168,145.50
6. Step 6: Final answer
   x = 359,174.37