Finding the Third Proportional to 617,978 and 954,966

Step by Step Solution

1. Step 1: Write the proportion equation
   617,978 : 954,966 = 954,966 : x
2. Step 2: Convert to fraction form
   617,978/954,966 = 954,966/x
3. Step 3: Cross multiply
   617,978x = 954,966 × 954,966
4. Step 4: Simplify right side
   617,978x = 911,960,061,156
5. Step 5: Solve for x
   x = 911,960,061,156/617,978
6. Step 6: Final answer
   x = 1,475,716.06