Finding the Third Proportional to 769,772 and 1,108,820

Step by Step Solution

1. Step 1: Write the proportion equation
   769,772 : 1,108,820 = 1,108,820 : x
2. Step 2: Convert to fraction form
   769,772/1,108,820 = 1,108,820/x
3. Step 3: Cross multiply
   769,772x = 1,108,820 × 1,108,820
4. Step 4: Simplify right side
   769,772x = 1,229,481,792,400
5. Step 5: Solve for x
   x = 1,229,481,792,400/769,772
6. Step 6: Final answer
   x = 1,597,202.54