Finding the Third Proportional to 533,006 and 870,258.75

Step by Step Solution

1. Step 1: Write the proportion equation
   533,006 : 870,258.75 = 870,258.75 : x
2. Step 2: Convert to fraction form
   533,006/870,258.75 = 870,258.75/x
3. Step 3: Cross multiply
   533,006x = 870,258.75 × 870,258.75
4. Step 4: Simplify right side
   533,006x = 757,350,291,951.56
5. Step 5: Solve for x
   x = 757,350,291,951.56/533,006
6. Step 6: Final answer
   x = 1,420,903.88