Finding the Third Proportional to 289,150.50 and 626,568

Step by Step Solution

1. Step 1: Write the proportion equation
   289,150.50 : 626,568 = 626,568 : x
2. Step 2: Convert to fraction form
   289,150.50/626,568 = 626,568/x
3. Step 3: Cross multiply
   289,150.50x = 626,568 × 626,568
4. Step 4: Simplify right side
   289,150.50x = 392,587,458,624
5. Step 5: Solve for x
   x = 392,587,458,624/289,150.50
6. Step 6: Final answer
   x = 1,357,727.06