Finding the Third Proportional to 777,918 and 1,609,836

Step by Step Solution

1. Step 1: Write the proportion equation
   777,918 : 1,609,836 = 1,609,836 : x
2. Step 2: Convert to fraction form
   777,918/1,609,836 = 1,609,836/x
3. Step 3: Cross multiply
   777,918x = 1,609,836 × 1,609,836
4. Step 4: Simplify right side
   777,918x = 2,591,571,946,896
5. Step 5: Solve for x
   x = 2,591,571,946,896/777,918
6. Step 6: Final answer
   x = 3,331,420.47