Finding the Third Proportional to 583,132.50 and 870,198

Step by Step Solution

1. Step 1: Write the proportion equation
   583,132.50 : 870,198 = 870,198 : x
2. Step 2: Convert to fraction form
   583,132.50/870,198 = 870,198/x
3. Step 3: Cross multiply
   583,132.50x = 870,198 × 870,198
4. Step 4: Simplify right side
   583,132.50x = 757,244,559,204
5. Step 5: Solve for x
   x = 757,244,559,204/583,132.50
6. Step 6: Final answer
   x = 1,298,580.61