Finding the Third Proportional to 574,816 and 870,176.50

Step by Step Solution

1. Step 1: Write the proportion equation
   574,816 : 870,176.50 = 870,176.50 : x
2. Step 2: Convert to fraction form
   574,816/870,176.50 = 870,176.50/x
3. Step 3: Cross multiply
   574,816x = 870,176.50 × 870,176.50
4. Step 4: Simplify right side
   574,816x = 757,207,141,152.25
5. Step 5: Solve for x
   x = 757,207,141,152.25/574,816
6. Step 6: Final answer
   x = 1,317,303.52