Finding the Third Proportional to 831,404 and 1,787,122

Step by Step Solution

1. Step 1: Write the proportion equation
   831,404 : 1,787,122 = 1,787,122 : x
2. Step 2: Convert to fraction form
   831,404/1,787,122 = 1,787,122/x
3. Step 3: Cross multiply
   831,404x = 1,787,122 × 1,787,122
4. Step 4: Simplify right side
   831,404x = 3,193,805,042,884
5. Step 5: Solve for x
   x = 3,193,805,042,884/831,404
6. Step 6: Final answer
   x = 3,841,459.80