Finding the Third Proportional to 574,758 and 870,097.50

Step by Step Solution

1. Step 1: Write the proportion equation
   574,758 : 870,097.50 = 870,097.50 : x
2. Step 2: Convert to fraction form
   574,758/870,097.50 = 870,097.50/x
3. Step 3: Cross multiply
   574,758x = 870,097.50 × 870,097.50
4. Step 4: Simplify right side
   574,758x = 757,069,659,506.25
5. Step 5: Solve for x
   x = 757,069,659,506.25/574,758
6. Step 6: Final answer
   x = 1,317,197.25