Finding the Third Proportional to 867,892 and 1,778,064

Step by Step Solution

1. Step 1: Write the proportion equation
   867,892 : 1,778,064 = 1,778,064 : x
2. Step 2: Convert to fraction form
   867,892/1,778,064 = 1,778,064/x
3. Step 3: Cross multiply
   867,892x = 1,778,064 × 1,778,064
4. Step 4: Simplify right side
   867,892x = 3,161,511,588,096
5. Step 5: Solve for x
   x = 3,161,511,588,096/867,892
6. Step 6: Final answer
   x = 3,642,747.70