Finding the Third Proportional to 831,872 and 1,322,328

Step by Step Solution

1. Step 1: Write the proportion equation
   831,872 : 1,322,328 = 1,322,328 : x
2. Step 2: Convert to fraction form
   831,872/1,322,328 = 1,322,328/x
3. Step 3: Cross multiply
   831,872x = 1,322,328 × 1,322,328
4. Step 4: Simplify right side
   831,872x = 1,748,551,339,584
5. Step 5: Solve for x
   x = 1,748,551,339,584/831,872
6. Step 6: Final answer
   x = 2,101,947.58