Finding the Third Proportional to 411,600 and 834,648

Step by Step Solution

1. Step 1: Write the proportion equation
   411,600 : 834,648 = 834,648 : x
2. Step 2: Convert to fraction form
   411,600/834,648 = 834,648/x
3. Step 3: Cross multiply
   411,600x = 834,648 × 834,648
4. Step 4: Simplify right side
   411,600x = 696,637,283,904
5. Step 5: Solve for x
   x = 696,637,283,904/411,600
6. Step 6: Final answer
   x = 1,692,510.41