Finding the Third Proportional to 168,430.50 and 368,568

Step by Step Solution

1. Step 1: Write the proportion equation
   168,430.50 : 368,568 = 368,568 : x
2. Step 2: Convert to fraction form
   168,430.50/368,568 = 368,568/x
3. Step 3: Cross multiply
   168,430.50x = 368,568 × 368,568
4. Step 4: Simplify right side
   168,430.50x = 135,842,370,624
5. Step 5: Solve for x
   x = 135,842,370,624/168,430.50
6. Step 6: Final answer
   x = 806,518.83