Finding the Third Proportional to 159,468 and 246,978

Step by Step Solution

1. Step 1: Write the proportion equation
   159,468 : 246,978 = 246,978 : x
2. Step 2: Convert to fraction form
   159,468/246,978 = 246,978/x
3. Step 3: Cross multiply
   159,468x = 246,978 × 246,978
4. Step 4: Simplify right side
   159,468x = 60,998,132,484
5. Step 5: Solve for x
   x = 60,998,132,484/159,468
6. Step 6: Final answer
   x = 382,510.17