Finding the Third Proportional to 777,958 and 1,609,912

Step by Step Solution

1. Step 1: Write the proportion equation
   777,958 : 1,609,912 = 1,609,912 : x
2. Step 2: Convert to fraction form
   777,958/1,609,912 = 1,609,912/x
3. Step 3: Cross multiply
   777,958x = 1,609,912 × 1,609,912
4. Step 4: Simplify right side
   777,958x = 2,591,816,647,744
5. Step 5: Solve for x
   x = 2,591,816,647,744/777,958
6. Step 6: Final answer
   x = 3,331,563.72