Finding the Third Proportional to 776,909 and 1,831,373

Step by Step Solution

1. Step 1: Write the proportion equation
   776,909 : 1,831,373 = 1,831,373 : x
2. Step 2: Convert to fraction form
   776,909/1,831,373 = 1,831,373/x
3. Step 3: Cross multiply
   776,909x = 1,831,373 × 1,831,373
4. Step 4: Simplify right side
   776,909x = 3,353,927,065,129
5. Step 5: Solve for x
   x = 3,353,927,065,129/776,909
6. Step 6: Final answer
   x = 4,317,014.05