Finding the Third Proportional to 831,636 and 1,803,132

Step by Step Solution

1. Step 1: Write the proportion equation
   831,636 : 1,803,132 = 1,803,132 : x
2. Step 2: Convert to fraction form
   831,636/1,803,132 = 1,803,132/x
3. Step 3: Cross multiply
   831,636x = 1,803,132 × 1,803,132
4. Step 4: Simplify right side
   831,636x = 3,251,285,009,424
5. Step 5: Solve for x
   x = 3,251,285,009,424/831,636
6. Step 6: Final answer
   x = 3,909,504.89