Finding the Third Proportional to 620,938 and 984,870

Step by Step Solution

1. Step 1: Write the proportion equation
   620,938 : 984,870 = 984,870 : x
2. Step 2: Convert to fraction form
   620,938/984,870 = 984,870/x
3. Step 3: Cross multiply
   620,938x = 984,870 × 984,870
4. Step 4: Simplify right side
   620,938x = 969,968,916,900
5. Step 5: Solve for x
   x = 969,968,916,900/620,938
6. Step 6: Final answer
   x = 1,562,102.68