Finding the Third Proportional to 366,836 and 804,978

Step by Step Solution

1. Step 1: Write the proportion equation
   366,836 : 804,978 = 804,978 : x
2. Step 2: Convert to fraction form
   366,836/804,978 = 804,978/x
3. Step 3: Cross multiply
   366,836x = 804,978 × 804,978
4. Step 4: Simplify right side
   366,836x = 647,989,580,484
5. Step 5: Solve for x
   x = 647,989,580,484/366,836
6. Step 6: Final answer
   x = 1,766,428.54