Finding the Third Proportional to 366,978 and 803,892

Step by Step Solution

1. Step 1: Write the proportion equation
   366,978 : 803,892 = 803,892 : x
2. Step 2: Convert to fraction form
   366,978/803,892 = 803,892/x
3. Step 3: Cross multiply
   366,978x = 803,892 × 803,892
4. Step 4: Simplify right side
   366,978x = 646,242,347,664
5. Step 5: Solve for x
   x = 646,242,347,664/366,978
6. Step 6: Final answer
   x = 1,760,983.89