Finding the Third Proportional to 863,944 and 1,216,088

Step by Step Solution

1. Step 1: Write the proportion equation
   863,944 : 1,216,088 = 1,216,088 : x
2. Step 2: Convert to fraction form
   863,944/1,216,088 = 1,216,088/x
3. Step 3: Cross multiply
   863,944x = 1,216,088 × 1,216,088
4. Step 4: Simplify right side
   863,944x = 1,478,870,023,744
5. Step 5: Solve for x
   x = 1,478,870,023,744/863,944
6. Step 6: Final answer
   x = 1,711,766.07