Finding the Third Proportional to 648,894 and 867,996

Step by Step Solution

1. Step 1: Write the proportion equation
   648,894 : 867,996 = 867,996 : x
2. Step 2: Convert to fraction form
   648,894/867,996 = 867,996/x
3. Step 3: Cross multiply
   648,894x = 867,996 × 867,996
4. Step 4: Simplify right side
   648,894x = 753,417,056,016
5. Step 5: Solve for x
   x = 753,417,056,016/648,894
6. Step 6: Final answer
   x = 1,161,078.78