Finding the Third Proportional to 574,771.50 and 870,117

Step by Step Solution

1. Step 1: Write the proportion equation
   574,771.50 : 870,117 = 870,117 : x
2. Step 2: Convert to fraction form
   574,771.50/870,117 = 870,117/x
3. Step 3: Cross multiply
   574,771.50x = 870,117 × 870,117
4. Step 4: Simplify right side
   574,771.50x = 757,103,593,689
5. Step 5: Solve for x
   x = 757,103,593,689/574,771.50
6. Step 6: Final answer
   x = 1,317,225.36