Finding the Third Proportional to 831,591 and 1,787,410

Step by Step Solution

1. Step 1: Write the proportion equation
   831,591 : 1,787,410 = 1,787,410 : x
2. Step 2: Convert to fraction form
   831,591/1,787,410 = 1,787,410/x
3. Step 3: Cross multiply
   831,591x = 1,787,410 × 1,787,410
4. Step 4: Simplify right side
   831,591x = 3,194,834,508,100
5. Step 5: Solve for x
   x = 3,194,834,508,100/831,591
6. Step 6: Final answer
   x = 3,841,833.92