Finding the Third Proportional to 486,180 and 735,978

Step by Step Solution

1. Step 1: Write the proportion equation
   486,180 : 735,978 = 735,978 : x
2. Step 2: Convert to fraction form
   486,180/735,978 = 735,978/x
3. Step 3: Cross multiply
   486,180x = 735,978 × 735,978
4. Step 4: Simplify right side
   486,180x = 541,663,616,484
5. Step 5: Solve for x
   x = 541,663,616,484/486,180
6. Step 6: Final answer
   x = 1,114,121.55